Home / 215,760.24-323,431.38-82,537.92

Finding the Fourth Proportional to 215,760.24, 323,431.38 and 82,537.92

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Solution

The fourth proportional to 215,760.24, 323,431.38 and 82,537.92 is: 123,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,760.24 : 323,431.38 = 82,537.92 : x
  2. Step 2: Convert to fraction form
    215,760.24/323,431.38 = 82,537.92/x
  3. Step 3: Cross multiply
    215,760.24x = 323,431.38 × 82,537.92
  4. Step 4: Simplify right side
    215,760.24x = 26,695,353,367.93
  5. Step 5: Solve for x
    x = 26,695,353,367.93/215,760.24
  6. Step 6: Final answer
    x = 123,726.94

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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.