Home / 150,132.60-225,134.10-75,223.80

Finding the Fourth Proportional to 150,132.60, 225,134.10 and 75,223.80

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Solution

The fourth proportional to 150,132.60, 225,134.10 and 75,223.80 is: 112,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,132.60 : 225,134.10 = 75,223.80 : x
  2. Step 2: Convert to fraction form
    150,132.60/225,134.10 = 75,223.80/x
  3. Step 3: Cross multiply
    150,132.60x = 225,134.10 × 75,223.80
  4. Step 4: Simplify right side
    150,132.60x = 16,935,442,511.58
  5. Step 5: Solve for x
    x = 16,935,442,511.58/150,132.60
  6. Step 6: Final answer
    x = 112,803.23

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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.