Home / 204,521.76-282,165.12-123,891.12

Finding the Fourth Proportional to 204,521.76, 282,165.12 and 123,891.12

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Solution

The fourth proportional to 204,521.76, 282,165.12 and 123,891.12 is: 170,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,521.76 : 282,165.12 = 123,891.12 : x
  2. Step 2: Convert to fraction form
    204,521.76/282,165.12 = 123,891.12/x
  3. Step 3: Cross multiply
    204,521.76x = 282,165.12 × 123,891.12
  4. Step 4: Simplify right side
    204,521.76x = 34,957,752,741.73
  5. Step 5: Solve for x
    x = 34,957,752,741.73/204,521.76
  6. Step 6: Final answer
    x = 170,924.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.