Finding the Fourth Proportional to 198,062, 273,327 and 108,638
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Solution
The fourth proportional to 198,062, 273,327 and 108,638 is: 149,921.23
Step by Step Solution
- Step 1: Write the proportion equation
198,062 : 273,327 = 108,638 : x - Step 2: Convert to fraction form
198,062/273,327 = 108,638/x - Step 3: Cross multiply
198,062x = 273,327 × 108,638 - Step 4: Simplify right side
198,062x = 29,693,698,626 - Step 5: Solve for x
x = 29,693,698,626/198,062 - Step 6: Final answer
x = 149,921.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.