Home / 226,780.71-340,381.25-114,539.75

Finding the Fourth Proportional to 226,780.71, 340,381.25 and 114,539.75

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Solution

The fourth proportional to 226,780.71, 340,381.25 and 114,539.75 is: 171,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,780.71 : 340,381.25 = 114,539.75 : x
  2. Step 2: Convert to fraction form
    226,780.71/340,381.25 = 114,539.75/x
  3. Step 3: Cross multiply
    226,780.71x = 340,381.25 × 114,539.75
  4. Step 4: Simplify right side
    226,780.71x = 38,987,183,279.69
  5. Step 5: Solve for x
    x = 38,987,183,279.69/226,780.71
  6. Step 6: Final answer
    x = 171,915.78

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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.