Home / 225,545.10-338,404.05-222,002.70

Finding the Fourth Proportional to 225,545.10, 338,404.05 and 222,002.70

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Solution

The fourth proportional to 225,545.10, 338,404.05 and 222,002.70 is: 333,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,545.10 : 338,404.05 = 222,002.70 : x
  2. Step 2: Convert to fraction form
    225,545.10/338,404.05 = 222,002.70/x
  3. Step 3: Cross multiply
    225,545.10x = 338,404.05 × 222,002.70
  4. Step 4: Simplify right side
    225,545.10x = 75,126,612,790.94
  5. Step 5: Solve for x
    x = 75,126,612,790.94/225,545.10
  6. Step 6: Final answer
    x = 333,089.09

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1.5x scale

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.