Home / 238,943.76-329,764.44-131,535.60

Finding the Fourth Proportional to 238,943.76, 329,764.44 and 131,535.60

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Solution

The fourth proportional to 238,943.76, 329,764.44 and 131,535.60 is: 181,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,943.76 : 329,764.44 = 131,535.60 : x
  2. Step 2: Convert to fraction form
    238,943.76/329,764.44 = 131,535.60/x
  3. Step 3: Cross multiply
    238,943.76x = 329,764.44 × 131,535.60
  4. Step 4: Simplify right side
    238,943.76x = 43,375,763,474.06
  5. Step 5: Solve for x
    x = 43,375,763,474.06/238,943.76
  6. Step 6: Final answer
    x = 181,531.27

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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.