Home / 226,531.91-339,796.33-76,877.56

Finding the Fourth Proportional to 226,531.91, 339,796.33 and 76,877.56

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Solution

The fourth proportional to 226,531.91, 339,796.33 and 76,877.56 is: 115,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,531.91 : 339,796.33 = 76,877.56 : x
  2. Step 2: Convert to fraction form
    226,531.91/339,796.33 = 76,877.56/x
  3. Step 3: Cross multiply
    226,531.91x = 339,796.33 × 76,877.56
  4. Step 4: Simplify right side
    226,531.91x = 26,122,711,048.37
  5. Step 5: Solve for x
    x = 26,122,711,048.37/226,531.91
  6. Step 6: Final answer
    x = 115,315.81

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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.