Home / 150,247.20-225,043.29-75,236.52

Finding the Fourth Proportional to 150,247.20, 225,043.29 and 75,236.52

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Solution

The fourth proportional to 150,247.20, 225,043.29 and 75,236.52 is: 112,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,247.20 : 225,043.29 = 75,236.52 : x
  2. Step 2: Convert to fraction form
    150,247.20/225,043.29 = 75,236.52/x
  3. Step 3: Cross multiply
    150,247.20x = 225,043.29 × 75,236.52
  4. Step 4: Simplify right side
    150,247.20x = 16,931,473,988.95
  5. Step 5: Solve for x
    x = 16,931,473,988.95/150,247.20
  6. Step 6: Final answer
    x = 112,690.78

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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.