Home / 220,839.43-331,252.11-63,067.78

Finding the Fourth Proportional to 220,839.43, 331,252.11 and 63,067.78

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Solution

The fourth proportional to 220,839.43, 331,252.11 and 63,067.78 is: 94,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,839.43 : 331,252.11 = 63,067.78 : x
  2. Step 2: Convert to fraction form
    220,839.43/331,252.11 = 63,067.78/x
  3. Step 3: Cross multiply
    220,839.43x = 331,252.11 × 63,067.78
  4. Step 4: Simplify right side
    220,839.43x = 20,891,335,198.02
  5. Step 5: Solve for x
    x = 20,891,335,198.02/220,839.43
  6. Step 6: Final answer
    x = 94,599.66

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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.