Home / 133,189.20-199,760.76-50,083.92

Finding the Fourth Proportional to 133,189.20, 199,760.76 and 50,083.92

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Solution

The fourth proportional to 133,189.20, 199,760.76 and 50,083.92 is: 75,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,189.20 : 199,760.76 = 50,083.92 : x
  2. Step 2: Convert to fraction form
    133,189.20/199,760.76 = 50,083.92/x
  3. Step 3: Cross multiply
    133,189.20x = 199,760.76 × 50,083.92
  4. Step 4: Simplify right side
    133,189.20x = 10,004,801,922.98
  5. Step 5: Solve for x
    x = 10,004,801,922.98/133,189.20
  6. Step 6: Final answer
    x = 75,117.22

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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.