Home / 231,922.14-347,794.11-82,134.78

Finding the Fourth Proportional to 231,922.14, 347,794.11 and 82,134.78

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Solution

The fourth proportional to 231,922.14, 347,794.11 and 82,134.78 is: 123,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,922.14 : 347,794.11 = 82,134.78 : x
  2. Step 2: Convert to fraction form
    231,922.14/347,794.11 = 82,134.78/x
  3. Step 3: Cross multiply
    231,922.14x = 347,794.11 × 82,134.78
  4. Step 4: Simplify right side
    231,922.14x = 28,565,992,710.15
  5. Step 5: Solve for x
    x = 28,565,992,710.15/231,922.14
  6. Step 6: Final answer
    x = 123,170.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.