Home / 238,951.31-329,750.19-131,519.03

Finding the Fourth Proportional to 238,951.31, 329,750.19 and 131,519.03

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Solution

The fourth proportional to 238,951.31, 329,750.19 and 131,519.03 is: 181,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,951.31 : 329,750.19 = 131,519.03 : x
  2. Step 2: Convert to fraction form
    238,951.31/329,750.19 = 131,519.03/x
  3. Step 3: Cross multiply
    238,951.31x = 329,750.19 × 131,519.03
  4. Step 4: Simplify right side
    238,951.31x = 43,368,423,482.36
  5. Step 5: Solve for x
    x = 43,368,423,482.36/238,951.31
  6. Step 6: Final answer
    x = 181,494.82

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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.