Home / 231,818.20-347,727.30-113,507.80

Finding the Fourth Proportional to 231,818.20, 347,727.30 and 113,507.80

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Solution

The fourth proportional to 231,818.20, 347,727.30 and 113,507.80 is: 170,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,818.20 : 347,727.30 = 113,507.80 : x
  2. Step 2: Convert to fraction form
    231,818.20/347,727.30 = 113,507.80/x
  3. Step 3: Cross multiply
    231,818.20x = 347,727.30 × 113,507.80
  4. Step 4: Simplify right side
    231,818.20x = 39,469,760,822.94
  5. Step 5: Solve for x
    x = 39,469,760,822.94/231,818.20
  6. Step 6: Final answer
    x = 170,261.70

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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.