Home / 226,148.52-339,378.28-78,404.52

Finding the Fourth Proportional to 226,148.52, 339,378.28 and 78,404.52

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Solution

The fourth proportional to 226,148.52, 339,378.28 and 78,404.52 is: 117,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,148.52 : 339,378.28 = 78,404.52 : x
  2. Step 2: Convert to fraction form
    226,148.52/339,378.28 = 78,404.52/x
  3. Step 3: Cross multiply
    226,148.52x = 339,378.28 × 78,404.52
  4. Step 4: Simplify right side
    226,148.52x = 26,608,791,141.83
  5. Step 5: Solve for x
    x = 26,608,791,141.83/226,148.52
  6. Step 6: Final answer
    x = 117,660.69

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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.