Home / 226,761.12-339,921.12-108,401.76

Finding the Fourth Proportional to 226,761.12, 339,921.12 and 108,401.76

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Solution

The fourth proportional to 226,761.12, 339,921.12 and 108,401.76 is: 162,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,761.12 : 339,921.12 = 108,401.76 : x
  2. Step 2: Convert to fraction form
    226,761.12/339,921.12 = 108,401.76/x
  3. Step 3: Cross multiply
    226,761.12x = 339,921.12 × 108,401.76
  4. Step 4: Simplify right side
    226,761.12x = 36,848,047,669.17
  5. Step 5: Solve for x
    x = 36,848,047,669.17/226,761.12
  6. Step 6: Final answer
    x = 162,497.20

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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.