Finding the Fourth Proportional to 135,361.98, 202,074.17 and 117,652.14
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Solution
The fourth proportional to 135,361.98, 202,074.17 and 117,652.14 is: 175,636.16
Step by Step Solution
- Step 1: Write the proportion equation
135,361.98 : 202,074.17 = 117,652.14 : x - Step 2: Convert to fraction form
135,361.98/202,074.17 = 117,652.14/x - Step 3: Cross multiply
135,361.98x = 202,074.17 × 117,652.14 - Step 4: Simplify right side
135,361.98x = 23,774,457,950.96 - Step 5: Solve for x
x = 23,774,457,950.96/135,361.98 - Step 6: Final answer
x = 175,636.16
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.