Home / 157,613.31-236,489.22-82,715.85

Finding the Fourth Proportional to 157,613.31, 236,489.22 and 82,715.85

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Solution

The fourth proportional to 157,613.31, 236,489.22 and 82,715.85 is: 124,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,613.31 : 236,489.22 = 82,715.85 : x
  2. Step 2: Convert to fraction form
    157,613.31/236,489.22 = 82,715.85/x
  3. Step 3: Cross multiply
    157,613.31x = 236,489.22 × 82,715.85
  4. Step 4: Simplify right side
    157,613.31x = 19,561,406,848.14
  5. Step 5: Solve for x
    x = 19,561,406,848.14/157,613.31
  6. Step 6: Final answer
    x = 124,110.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.