Home / 147,377.92-221,110.80-47,553.76

Finding the Fourth Proportional to 147,377.92, 221,110.80 and 47,553.76

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Solution

The fourth proportional to 147,377.92, 221,110.80 and 47,553.76 is: 71,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,377.92 : 221,110.80 = 47,553.76 : x
  2. Step 2: Convert to fraction form
    147,377.92/221,110.80 = 47,553.76/x
  3. Step 3: Cross multiply
    147,377.92x = 221,110.80 × 47,553.76
  4. Step 4: Simplify right side
    147,377.92x = 10,514,649,916.61
  5. Step 5: Solve for x
    x = 10,514,649,916.61/147,377.92
  6. Step 6: Final answer
    x = 71,344.81

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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.