Home / 198,462.60-273,901.97-117,890.55

Finding the Fourth Proportional to 198,462.60, 273,901.97 and 117,890.55

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Solution

The fourth proportional to 198,462.60, 273,901.97 and 117,890.55 is: 162,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,462.60 : 273,901.97 = 117,890.55 : x
  2. Step 2: Convert to fraction form
    198,462.60/273,901.97 = 117,890.55/x
  3. Step 3: Cross multiply
    198,462.60x = 273,901.97 × 117,890.55
  4. Step 4: Simplify right side
    198,462.60x = 32,290,454,184.11
  5. Step 5: Solve for x
    x = 32,290,454,184.11/198,462.60
  6. Step 6: Final answer
    x = 162,702.97

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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.