Home / 225,930.09-338,658.66-76,118.61

Finding the Fourth Proportional to 225,930.09, 338,658.66 and 76,118.61

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Solution

The fourth proportional to 225,930.09, 338,658.66 and 76,118.61 is: 114,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,930.09 : 338,658.66 = 76,118.61 : x
  2. Step 2: Convert to fraction form
    225,930.09/338,658.66 = 76,118.61/x
  3. Step 3: Cross multiply
    225,930.09x = 338,658.66 × 76,118.61
  4. Step 4: Simplify right side
    225,930.09x = 25,778,226,463.66
  5. Step 5: Solve for x
    x = 25,778,226,463.66/225,930.09
  6. Step 6: Final answer
    x = 114,098.24

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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.