Question

find the value of (a+b+c)-d if the following are in proportion 72,144,24,d​

Answer 1

Answer:

192

Step-by-step explanation:

144 AND 24 ARE MEAN TERMS

72 AND d ARE EXTREME TERMS

SO,PRODUCT OF MEANS TERMS = PRODUCT OF EXTREME TERMS

144*24= 72*D

(144*24)/72 =D

48=D

SO (72+144+24)-48

      =240-48

     = 192

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