Home / 198,055.92-273,317.31-107,411.88

Finding the Fourth Proportional to 198,055.92, 273,317.31 and 107,411.88

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Solution

The fourth proportional to 198,055.92, 273,317.31 and 107,411.88 is: 148,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,055.92 : 273,317.31 = 107,411.88 : x
  2. Step 2: Convert to fraction form
    198,055.92/273,317.31 = 107,411.88/x
  3. Step 3: Cross multiply
    198,055.92x = 273,317.31 × 107,411.88
  4. Step 4: Simplify right side
    198,055.92x = 29,357,526,103.64
  5. Step 5: Solve for x
    x = 29,357,526,103.64/198,055.92
  6. Step 6: Final answer
    x = 148,228.47

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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.