Home / 198,456.58-273,893.56-117,884.43

Finding the Fourth Proportional to 198,456.58, 273,893.56 and 117,884.43

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Solution

The fourth proportional to 198,456.58, 273,893.56 and 117,884.43 is: 162,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,456.58 : 273,893.56 = 117,884.43 : x
  2. Step 2: Convert to fraction form
    198,456.58/273,893.56 = 117,884.43/x
  3. Step 3: Cross multiply
    198,456.58x = 273,893.56 × 117,884.43
  4. Step 4: Simplify right side
    198,456.58x = 32,287,784,833.96
  5. Step 5: Solve for x
    x = 32,287,784,833.96/198,456.58
  6. Step 6: Final answer
    x = 162,694.45

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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.