Home / 238,456.06-329,067.03-131,023.78

Finding the Fourth Proportional to 238,456.06, 329,067.03 and 131,023.78

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Solution

The fourth proportional to 238,456.06, 329,067.03 and 131,023.78 is: 180,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,456.06 : 329,067.03 = 131,023.78 : x
  2. Step 2: Convert to fraction form
    238,456.06/329,067.03 = 131,023.78/x
  3. Step 3: Cross multiply
    238,456.06x = 329,067.03 × 131,023.78
  4. Step 4: Simplify right side
    238,456.06x = 43,115,606,143.97
  5. Step 5: Solve for x
    x = 43,115,606,143.97/238,456.06
  6. Step 6: Final answer
    x = 180,811.53

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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.