Home / 202,540.52-279,507.98-141,375.60

Finding the Fourth Proportional to 202,540.52, 279,507.98 and 141,375.60

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Solution

The fourth proportional to 202,540.52, 279,507.98 and 141,375.60 is: 195,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,540.52 : 279,507.98 = 141,375.60 : x
  2. Step 2: Convert to fraction form
    202,540.52/279,507.98 = 141,375.60/x
  3. Step 3: Cross multiply
    202,540.52x = 279,507.98 × 141,375.60
  4. Step 4: Simplify right side
    202,540.52x = 39,515,608,377.29
  5. Step 5: Solve for x
    x = 39,515,608,377.29/202,540.52
  6. Step 6: Final answer
    x = 195,099.77

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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.