Home / 226,857.88-339,912.39-131,821.29

Finding the Fourth Proportional to 226,857.88, 339,912.39 and 131,821.29

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Solution

The fourth proportional to 226,857.88, 339,912.39 and 131,821.29 is: 197,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,857.88 : 339,912.39 = 131,821.29 : x
  2. Step 2: Convert to fraction form
    226,857.88/339,912.39 = 131,821.29/x
  3. Step 3: Cross multiply
    226,857.88x = 339,912.39 × 131,821.29
  4. Step 4: Simplify right side
    226,857.88x = 44,807,689,736.78
  5. Step 5: Solve for x
    x = 44,807,689,736.78/226,857.88
  6. Step 6: Final answer
    x = 197,514.36

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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.