Home / 422,103.26-582,517.14-231,117.96

Finding the Fourth Proportional to 422,103.26, 582,517.14 and 231,117.96

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Solution

The fourth proportional to 422,103.26, 582,517.14 and 231,117.96 is: 318,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,103.26 : 582,517.14 = 231,117.96 : x
  2. Step 2: Convert to fraction form
    422,103.26/582,517.14 = 231,117.96/x
  3. Step 3: Cross multiply
    422,103.26x = 582,517.14 × 231,117.96
  4. Step 4: Simplify right side
    422,103.26x = 134,630,173,061.83
  5. Step 5: Solve for x
    x = 134,630,173,061.83/422,103.26
  6. Step 6: Final answer
    x = 318,950.80

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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.