Home / 198,495.91-273,921.03-107,853.27

Finding the Fourth Proportional to 198,495.91, 273,921.03 and 107,853.27

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Solution

The fourth proportional to 198,495.91, 273,921.03 and 107,853.27 is: 148,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,495.91 : 273,921.03 = 107,853.27 : x
  2. Step 2: Convert to fraction form
    198,495.91/273,921.03 = 107,853.27/x
  3. Step 3: Cross multiply
    198,495.91x = 273,921.03 × 107,853.27
  4. Step 4: Simplify right side
    198,495.91x = 29,543,278,807.27
  5. Step 5: Solve for x
    x = 29,543,278,807.27/198,495.91
  6. Step 6: Final answer
    x = 148,835.71

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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.