Home / 138,467.91-207,613.14-58,484.22

Finding the Fourth Proportional to 138,467.91, 207,613.14 and 58,484.22

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Solution

The fourth proportional to 138,467.91, 207,613.14 and 58,484.22 is: 87,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,467.91 : 207,613.14 = 58,484.22 : x
  2. Step 2: Convert to fraction form
    138,467.91/207,613.14 = 58,484.22/x
  3. Step 3: Cross multiply
    138,467.91x = 207,613.14 × 58,484.22
  4. Step 4: Simplify right side
    138,467.91x = 12,142,092,554.65
  5. Step 5: Solve for x
    x = 12,142,092,554.65/138,467.91
  6. Step 6: Final answer
    x = 87,688.86

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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.