Home / 133,425.30-200,120.67-50,308.50

Finding the Fourth Proportional to 133,425.30, 200,120.67 and 50,308.50

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Solution

The fourth proportional to 133,425.30, 200,120.67 and 50,308.50 is: 75,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,425.30 : 200,120.67 = 50,308.50 : x
  2. Step 2: Convert to fraction form
    133,425.30/200,120.67 = 50,308.50/x
  3. Step 3: Cross multiply
    133,425.30x = 200,120.67 × 50,308.50
  4. Step 4: Simplify right side
    133,425.30x = 10,067,770,726.70
  5. Step 5: Solve for x
    x = 10,067,770,726.70/133,425.30
  6. Step 6: Final answer
    x = 75,456.23

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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.