Home / 198,134.52-273,425.64-113,253.42

Finding the Fourth Proportional to 198,134.52, 273,425.64 and 113,253.42

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Solution

The fourth proportional to 198,134.52, 273,425.64 and 113,253.42 is: 156,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,134.52 : 273,425.64 = 113,253.42 : x
  2. Step 2: Convert to fraction form
    198,134.52/273,425.64 = 113,253.42/x
  3. Step 3: Cross multiply
    198,134.52x = 273,425.64 × 113,253.42
  4. Step 4: Simplify right side
    198,134.52x = 30,966,388,845.69
  5. Step 5: Solve for x
    x = 30,966,388,845.69/198,134.52
  6. Step 6: Final answer
    x = 156,289.72

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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.