Home / 226,716.40-340,204.20-86,575.60

Finding the Fourth Proportional to 226,716.40, 340,204.20 and 86,575.60

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Solution

The fourth proportional to 226,716.40, 340,204.20 and 86,575.60 is: 129,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,716.40 : 340,204.20 = 86,575.60 : x
  2. Step 2: Convert to fraction form
    226,716.40/340,204.20 = 86,575.60/x
  3. Step 3: Cross multiply
    226,716.40x = 340,204.20 × 86,575.60
  4. Step 4: Simplify right side
    226,716.40x = 29,453,382,737.52
  5. Step 5: Solve for x
    x = 29,453,382,737.52/226,716.40
  6. Step 6: Final answer
    x = 129,912.89

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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.