Home / 238,310.96-328,867.79-129,414.24

Finding the Fourth Proportional to 238,310.96, 328,867.79 and 129,414.24

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Solution

The fourth proportional to 238,310.96, 328,867.79 and 129,414.24 is: 178,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,310.96 : 328,867.79 = 129,414.24 : x
  2. Step 2: Convert to fraction form
    238,310.96/328,867.79 = 129,414.24/x
  3. Step 3: Cross multiply
    238,310.96x = 328,867.79 × 129,414.24
  4. Step 4: Simplify right side
    238,310.96x = 42,560,174,456.26
  5. Step 5: Solve for x
    x = 42,560,174,456.26/238,310.96
  6. Step 6: Final answer
    x = 178,590.93

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1.5x scale

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.