Finding the Fourth Proportional to 224,215.08, 309,414.76 and 123,613.08
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Solution
The fourth proportional to 224,215.08, 309,414.76 and 123,613.08 is: 170,584.92
Step by Step Solution
- Step 1: Write the proportion equation
224,215.08 : 309,414.76 = 123,613.08 : x - Step 2: Convert to fraction form
224,215.08/309,414.76 = 123,613.08/x - Step 3: Cross multiply
224,215.08x = 309,414.76 × 123,613.08 - Step 4: Simplify right side
224,215.08x = 38,247,711,481.06 - Step 5: Solve for x
x = 38,247,711,481.06/224,215.08 - Step 6: Final answer
x = 170,584.92
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1.5x scale
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.