Home / 198,443.65-273,844.38-117,869.05

Finding the Fourth Proportional to 198,443.65, 273,844.38 and 117,869.05

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Solution

The fourth proportional to 198,443.65, 273,844.38 and 117,869.05 is: 162,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,443.65 : 273,844.38 = 117,869.05 : x
  2. Step 2: Convert to fraction form
    198,443.65/273,844.38 = 117,869.05/x
  3. Step 3: Cross multiply
    198,443.65x = 273,844.38 × 117,869.05
  4. Step 4: Simplify right side
    198,443.65x = 32,277,776,918.44
  5. Step 5: Solve for x
    x = 32,277,776,918.44/198,443.65
  6. Step 6: Final answer
    x = 162,654.62

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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.