Home / 198,436.65-273,834.72-117,862.04

Finding the Fourth Proportional to 198,436.65, 273,834.72 and 117,862.04

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Solution

The fourth proportional to 198,436.65, 273,834.72 and 117,862.04 is: 162,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,436.65 : 273,834.72 = 117,862.04 : x
  2. Step 2: Convert to fraction form
    198,436.65/273,834.72 = 117,862.04/x
  3. Step 3: Cross multiply
    198,436.65x = 273,834.72 × 117,862.04
  4. Step 4: Simplify right side
    198,436.65x = 32,274,717,352.86
  5. Step 5: Solve for x
    x = 32,274,717,352.86/198,436.65
  6. Step 6: Final answer
    x = 162,644.94

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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.