Home / 229,891.20-344,836.46-72,131.96

Finding the Fourth Proportional to 229,891.20, 344,836.46 and 72,131.96

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Solution

The fourth proportional to 229,891.20, 344,836.46 and 72,131.96 is: 108,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,891.20 : 344,836.46 = 72,131.96 : x
  2. Step 2: Convert to fraction form
    229,891.20/344,836.46 = 72,131.96/x
  3. Step 3: Cross multiply
    229,891.20x = 344,836.46 × 72,131.96
  4. Step 4: Simplify right side
    229,891.20x = 24,873,729,739.26
  5. Step 5: Solve for x
    x = 24,873,729,739.26/229,891.20
  6. Step 6: Final answer
    x = 108,197.83

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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.