Home / 198,200.88-273,744.45-130,520.52

Finding the Fourth Proportional to 198,200.88, 273,744.45 and 130,520.52

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Solution

The fourth proportional to 198,200.88, 273,744.45 and 130,520.52 is: 180,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,200.88 : 273,744.45 = 130,520.52 : x
  2. Step 2: Convert to fraction form
    198,200.88/273,744.45 = 130,520.52/x
  3. Step 3: Cross multiply
    198,200.88x = 273,744.45 × 130,520.52
  4. Step 4: Simplify right side
    198,200.88x = 35,729,267,961.11
  5. Step 5: Solve for x
    x = 35,729,267,961.11/198,200.88
  6. Step 6: Final answer
    x = 180,267.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.