Home / 194,183.91-267,835.76-129,620.59

Finding the Fourth Proportional to 194,183.91, 267,835.76 and 129,620.59

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Solution

The fourth proportional to 194,183.91, 267,835.76 and 129,620.59 is: 178,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,183.91 : 267,835.76 = 129,620.59 : x
  2. Step 2: Convert to fraction form
    194,183.91/267,835.76 = 129,620.59/x
  3. Step 3: Cross multiply
    194,183.91x = 267,835.76 × 129,620.59
  4. Step 4: Simplify right side
    194,183.91x = 34,717,029,234.30
  5. Step 5: Solve for x
    x = 34,717,029,234.30/194,183.91
  6. Step 6: Final answer
    x = 178,784.27

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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.