Question

Find the fourth proportion:
3 hrs 12 min, 24 min, 1 m 68 cm​

Answer 1

Answer:

21.

Step-by-step explanation:

3 hours 12 minutes =192 minute

so ratio =192 minutes /24 minutes =8

and

168/fourth proportion =1st /2nd proportion =8

so

forth proportion =168/8=21

Answer 2

Let a,b,c,da,b,c,d are four distinct consecutive numbers in A.P. The complete set of values of xx for which 2(a−b)+x(b−c)2+(c−a)3=2(a−d)+(b−d)2+(c−d)32(a−b)+x(b−c)2+(c−a)3=2(a−d)+(b−d)2+(c−d)3 is true is (−∞,α]∪[β,∞),(−∞,α]∪[β,∞), then |α||α| is equal to