Home / 238,531.40-329,175.38-131,103.93

Finding the Fourth Proportional to 238,531.40, 329,175.38 and 131,103.93

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Solution

The fourth proportional to 238,531.40, 329,175.38 and 131,103.93 is: 180,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,531.40 : 329,175.38 = 131,103.93 : x
  2. Step 2: Convert to fraction form
    238,531.40/329,175.38 = 131,103.93/x
  3. Step 3: Cross multiply
    238,531.40x = 329,175.38 × 131,103.93
  4. Step 4: Simplify right side
    238,531.40x = 43,156,186,305.00
  5. Step 5: Solve for x
    x = 43,156,186,305.00/238,531.40
  6. Step 6: Final answer
    x = 180,924.55

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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.