Home / 198,107.96-273,322.50-113,164.88

Finding the Fourth Proportional to 198,107.96, 273,322.50 and 113,164.88

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Solution

The fourth proportional to 198,107.96, 273,322.50 and 113,164.88 is: 156,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,107.96 : 273,322.50 = 113,164.88 : x
  2. Step 2: Convert to fraction form
    198,107.96/273,322.50 = 113,164.88/x
  3. Step 3: Cross multiply
    198,107.96x = 273,322.50 × 113,164.88
  4. Step 4: Simplify right side
    198,107.96x = 30,930,507,913.80
  5. Step 5: Solve for x
    x = 30,930,507,913.80/198,107.96
  6. Step 6: Final answer
    x = 156,129.56

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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.