Home / 133,035.40-199,553.10-131,285.80

Finding the Fourth Proportional to 133,035.40, 199,553.10 and 131,285.80

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Solution

The fourth proportional to 133,035.40, 199,553.10 and 131,285.80 is: 196,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035.40 : 199,553.10 = 131,285.80 : x
  2. Step 2: Convert to fraction form
    133,035.40/199,553.10 = 131,285.80/x
  3. Step 3: Cross multiply
    133,035.40x = 199,553.10 × 131,285.80
  4. Step 4: Simplify right side
    133,035.40x = 26,198,488,375.98
  5. Step 5: Solve for x
    x = 26,198,488,375.98/133,035.40
  6. Step 6: Final answer
    x = 196,928.70

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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.