Home / 226,388.73-339,139.38-131,419.77

Finding the Fourth Proportional to 226,388.73, 339,139.38 and 131,419.77

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Solution

The fourth proportional to 226,388.73, 339,139.38 and 131,419.77 is: 196,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,388.73 : 339,139.38 = 131,419.77 : x
  2. Step 2: Convert to fraction form
    226,388.73/339,139.38 = 131,419.77/x
  3. Step 3: Cross multiply
    226,388.73x = 339,139.38 × 131,419.77
  4. Step 4: Simplify right side
    226,388.73x = 44,569,619,317.54
  5. Step 5: Solve for x
    x = 44,569,619,317.54/226,388.73
  6. Step 6: Final answer
    x = 196,872.08

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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.