Home / 231,306.24-319,167.36-130,667.52

Finding the Fourth Proportional to 231,306.24, 319,167.36 and 130,667.52

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Solution

The fourth proportional to 231,306.24, 319,167.36 and 130,667.52 is: 180,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,306.24 : 319,167.36 = 130,667.52 : x
  2. Step 2: Convert to fraction form
    231,306.24/319,167.36 = 130,667.52/x
  3. Step 3: Cross multiply
    231,306.24x = 319,167.36 × 130,667.52
  4. Step 4: Simplify right side
    231,306.24x = 41,704,807,396.15
  5. Step 5: Solve for x
    x = 41,704,807,396.15/231,306.24
  6. Step 6: Final answer
    x = 180,301.26

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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.