Home / 238,067.10-328,532.15-129,171.41

Finding the Fourth Proportional to 238,067.10, 328,532.15 and 129,171.41

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Solution

The fourth proportional to 238,067.10, 328,532.15 and 129,171.41 is: 178,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,067.10 : 328,532.15 = 129,171.41 : x
  2. Step 2: Convert to fraction form
    238,067.10/328,532.15 = 129,171.41/x
  3. Step 3: Cross multiply
    238,067.10x = 328,532.15 × 129,171.41
  4. Step 4: Simplify right side
    238,067.10x = 42,436,958,757.31
  5. Step 5: Solve for x
    x = 42,436,958,757.31/238,067.10
  6. Step 6: Final answer
    x = 178,256.29

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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.