Home / 147,132.92-220,715.09-52,371.57

Finding the Fourth Proportional to 147,132.92, 220,715.09 and 52,371.57

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Solution

The fourth proportional to 147,132.92, 220,715.09 and 52,371.57 is: 78,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,132.92 : 220,715.09 = 52,371.57 : x
  2. Step 2: Convert to fraction form
    147,132.92/220,715.09 = 52,371.57/x
  3. Step 3: Cross multiply
    147,132.92x = 220,715.09 × 52,371.57
  4. Step 4: Simplify right side
    147,132.92x = 11,559,196,842.80
  5. Step 5: Solve for x
    x = 11,559,196,842.80/147,132.92
  6. Step 6: Final answer
    x = 78,562.96

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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.