Home / 226,839.90-340,243.45-108,479.46

Finding the Fourth Proportional to 226,839.90, 340,243.45 and 108,479.46

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Solution

The fourth proportional to 226,839.90, 340,243.45 and 108,479.46 is: 162,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,839.90 : 340,243.45 = 108,479.46 : x
  2. Step 2: Convert to fraction form
    226,839.90/340,243.45 = 108,479.46/x
  3. Step 3: Cross multiply
    226,839.90x = 340,243.45 × 108,479.46
  4. Step 4: Simplify right side
    226,839.90x = 36,909,425,453.34
  5. Step 5: Solve for x
    x = 36,909,425,453.34/226,839.90
  6. Step 6: Final answer
    x = 162,711.35

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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.