Home / 133,040.20-199,560.30-83,176.60

Finding the Fourth Proportional to 133,040.20, 199,560.30 and 83,176.60

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Solution

The fourth proportional to 133,040.20, 199,560.30 and 83,176.60 is: 124,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.20 : 199,560.30 = 83,176.60 : x
  2. Step 2: Convert to fraction form
    133,040.20/199,560.30 = 83,176.60/x
  3. Step 3: Cross multiply
    133,040.20x = 199,560.30 × 83,176.60
  4. Step 4: Simplify right side
    133,040.20x = 16,598,747,248.98
  5. Step 5: Solve for x
    x = 16,598,747,248.98/133,040.20
  6. Step 6: Final answer
    x = 124,764.90

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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.