Home / 194,187.90-267,841.29-129,624.60

Finding the Fourth Proportional to 194,187.90, 267,841.29 and 129,624.60

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Solution

The fourth proportional to 194,187.90, 267,841.29 and 129,624.60 is: 178,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,187.90 : 267,841.29 = 129,624.60 : x
  2. Step 2: Convert to fraction form
    194,187.90/267,841.29 = 129,624.60/x
  3. Step 3: Cross multiply
    194,187.90x = 267,841.29 × 129,624.60
  4. Step 4: Simplify right side
    194,187.90x = 34,718,820,079.73
  5. Step 5: Solve for x
    x = 34,718,820,079.73/194,187.90
  6. Step 6: Final answer
    x = 178,789.82

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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.