Home / 150,545.72-225,747.08-87,385.33

Finding the Fourth Proportional to 150,545.72, 225,747.08 and 87,385.33

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Solution

The fourth proportional to 150,545.72, 225,747.08 and 87,385.33 is: 131,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,545.72 : 225,747.08 = 87,385.33 : x
  2. Step 2: Convert to fraction form
    150,545.72/225,747.08 = 87,385.33/x
  3. Step 3: Cross multiply
    150,545.72x = 225,747.08 × 87,385.33
  4. Step 4: Simplify right side
    150,545.72x = 19,726,982,645.41
  5. Step 5: Solve for x
    x = 19,726,982,645.41/150,545.72
  6. Step 6: Final answer
    x = 131,036.49

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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.