Home / 226,279.17-339,462.50-76,543.79

Finding the Fourth Proportional to 226,279.17, 339,462.50 and 76,543.79

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Solution

The fourth proportional to 226,279.17, 339,462.50 and 76,543.79 is: 114,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,279.17 : 339,462.50 = 76,543.79 : x
  2. Step 2: Convert to fraction form
    226,279.17/339,462.50 = 76,543.79/x
  3. Step 3: Cross multiply
    226,279.17x = 339,462.50 × 76,543.79
  4. Step 4: Simplify right side
    226,279.17x = 25,983,744,232.84
  5. Step 5: Solve for x
    x = 25,983,744,232.84/226,279.17
  6. Step 6: Final answer
    x = 114,830.47

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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.