Home / 226,620.16-339,930-107,931.52

Finding the Fourth Proportional to 226,620.16, 339,930 and 107,931.52

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Solution

The fourth proportional to 226,620.16, 339,930 and 107,931.52 is: 161,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,620.16 : 339,930 = 107,931.52 : x
  2. Step 2: Convert to fraction form
    226,620.16/339,930 = 107,931.52/x
  3. Step 3: Cross multiply
    226,620.16x = 339,930 × 107,931.52
  4. Step 4: Simplify right side
    226,620.16x = 36,689,161,593.60
  5. Step 5: Solve for x
    x = 36,689,161,593.60/226,620.16
  6. Step 6: Final answer
    x = 161,897.17

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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.