Home / 226,722.10-339,791.55-137,881.30

Finding the Fourth Proportional to 226,722.10, 339,791.55 and 137,881.30

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Solution

The fourth proportional to 226,722.10, 339,791.55 and 137,881.30 is: 206,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,722.10 : 339,791.55 = 137,881.30 : x
  2. Step 2: Convert to fraction form
    226,722.10/339,791.55 = 137,881.30/x
  3. Step 3: Cross multiply
    226,722.10x = 339,791.55 × 137,881.30
  4. Step 4: Simplify right side
    226,722.10x = 46,850,900,643.02
  5. Step 5: Solve for x
    x = 46,850,900,643.02/226,722.10
  6. Step 6: Final answer
    x = 206,644.61

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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.