Home / 226,311.60-339,530.94-66,391.31

Finding the Fourth Proportional to 226,311.60, 339,530.94 and 66,391.31

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Solution

The fourth proportional to 226,311.60, 339,530.94 and 66,391.31 is: 99,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,311.60 : 339,530.94 = 66,391.31 : x
  2. Step 2: Convert to fraction form
    226,311.60/339,530.94 = 66,391.31/x
  3. Step 3: Cross multiply
    226,311.60x = 339,530.94 × 66,391.31
  4. Step 4: Simplify right side
    226,311.60x = 22,541,904,740.96
  5. Step 5: Solve for x
    x = 22,541,904,740.96/226,311.60
  6. Step 6: Final answer
    x = 99,605.61

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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.