Home / 231,557.28-319,510.52-136,082.43

Finding the Fourth Proportional to 231,557.28, 319,510.52 and 136,082.43

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Solution

The fourth proportional to 231,557.28, 319,510.52 and 136,082.43 is: 187,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,557.28 : 319,510.52 = 136,082.43 : x
  2. Step 2: Convert to fraction form
    231,557.28/319,510.52 = 136,082.43/x
  3. Step 3: Cross multiply
    231,557.28x = 319,510.52 × 136,082.43
  4. Step 4: Simplify right side
    231,557.28x = 43,479,768,567.52
  5. Step 5: Solve for x
    x = 43,479,768,567.52/231,557.28
  6. Step 6: Final answer
    x = 187,771.11

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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.