Home / 147,500.70-221,121.45-88,359.90

Finding the Fourth Proportional to 147,500.70, 221,121.45 and 88,359.90

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Solution

The fourth proportional to 147,500.70, 221,121.45 and 88,359.90 is: 132,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,500.70 : 221,121.45 = 88,359.90 : x
  2. Step 2: Convert to fraction form
    147,500.70/221,121.45 = 88,359.90/x
  3. Step 3: Cross multiply
    147,500.70x = 221,121.45 × 88,359.90
  4. Step 4: Simplify right side
    147,500.70x = 19,538,269,209.86
  5. Step 5: Solve for x
    x = 19,538,269,209.86/147,500.70
  6. Step 6: Final answer
    x = 132,462.21

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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.