Question

Find the missing number in the following proportion ​

Answer 1

Answer:

let missing proportion be x

45:80= 90:x

45x= 7200

x= 7200/45

x= 160

Step-by-step explanation:

Answer 2

45 : 80 :: 90 : x

45(x) = 80 (90)

45x = 7200

x = 160

Hence , the missing number in proportion is 160.

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