Home / 198,451.65-273,855.42-117,877.04

Finding the Fourth Proportional to 198,451.65, 273,855.42 and 117,877.04

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Solution

The fourth proportional to 198,451.65, 273,855.42 and 117,877.04 is: 162,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,451.65 : 273,855.42 = 117,877.04 : x
  2. Step 2: Convert to fraction form
    198,451.65/273,855.42 = 117,877.04/x
  3. Step 3: Cross multiply
    198,451.65x = 273,855.42 × 117,877.04
  4. Step 4: Simplify right side
    198,451.65x = 32,281,264,928.28
  5. Step 5: Solve for x
    x = 32,281,264,928.28/198,451.65
  6. Step 6: Final answer
    x = 162,665.64

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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.