Finding the Fourth Proportional to 316,974.26, 437,421.87 and 173,733.96
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Solution
The fourth proportional to 316,974.26, 437,421.87 and 173,733.96 is: 239,751.44
Step by Step Solution
- Step 1: Write the proportion equation
316,974.26 : 437,421.87 = 173,733.96 : x - Step 2: Convert to fraction form
316,974.26/437,421.87 = 173,733.96/x - Step 3: Cross multiply
316,974.26x = 437,421.87 × 173,733.96 - Step 4: Simplify right side
316,974.26x = 75,995,035,306.04 - Step 5: Solve for x
x = 75,995,035,306.04/316,974.26 - Step 6: Final answer
x = 239,751.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.