Home / 327,535.20-491,247.84-90,901.92

Finding the Fourth Proportional to 327,535.20, 491,247.84 and 90,901.92

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Solution

The fourth proportional to 327,535.20, 491,247.84 and 90,901.92 is: 136,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,535.20 : 491,247.84 = 90,901.92 : x
  2. Step 2: Convert to fraction form
    327,535.20/491,247.84 = 90,901.92/x
  3. Step 3: Cross multiply
    327,535.20x = 491,247.84 × 90,901.92
  4. Step 4: Simplify right side
    327,535.20x = 44,655,371,851.85
  5. Step 5: Solve for x
    x = 44,655,371,851.85/327,535.20
  6. Step 6: Final answer
    x = 136,337.63

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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.