Home / 147,233.76-220,845.42-47,400.72

Finding the Fourth Proportional to 147,233.76, 220,845.42 and 47,400.72

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Solution

The fourth proportional to 147,233.76, 220,845.42 and 47,400.72 is: 71,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,233.76 : 220,845.42 = 47,400.72 : x
  2. Step 2: Convert to fraction form
    147,233.76/220,845.42 = 47,400.72/x
  3. Step 3: Cross multiply
    147,233.76x = 220,845.42 × 47,400.72
  4. Step 4: Simplify right side
    147,233.76x = 10,468,231,916.70
  5. Step 5: Solve for x
    x = 10,468,231,916.70/147,233.76
  6. Step 6: Final answer
    x = 71,099.40

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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.