Home / 135,003.60-202,505.40-132,670.80

Finding the Fourth Proportional to 135,003.60, 202,505.40 and 132,670.80

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Solution

The fourth proportional to 135,003.60, 202,505.40 and 132,670.80 is: 199,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,003.60 : 202,505.40 = 132,670.80 : x
  2. Step 2: Convert to fraction form
    135,003.60/202,505.40 = 132,670.80/x
  3. Step 3: Cross multiply
    135,003.60x = 202,505.40 × 132,670.80
  4. Step 4: Simplify right side
    135,003.60x = 26,866,553,422.32
  5. Step 5: Solve for x
    x = 26,866,553,422.32/135,003.60
  6. Step 6: Final answer
    x = 199,006.20

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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.