Finding the Fourth Proportional to 226,624.33, 312,742.19 and 124,660.23
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Solution
The fourth proportional to 226,624.33, 312,742.19 and 124,660.23 is: 172,031.46
Step by Step Solution
- Step 1: Write the proportion equation
226,624.33 : 312,742.19 = 124,660.23 : x - Step 2: Convert to fraction form
226,624.33/312,742.19 = 124,660.23/x - Step 3: Cross multiply
226,624.33x = 312,742.19 × 124,660.23 - Step 4: Simplify right side
226,624.33x = 38,986,514,234.15 - Step 5: Solve for x
x = 38,986,514,234.15/226,624.33 - Step 6: Final answer
x = 172,031.46
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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.