Home / 198,117.20-296,772.60-123,006.80

Finding the Fourth Proportional to 198,117.20, 296,772.60 and 123,006.80

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Solution

The fourth proportional to 198,117.20, 296,772.60 and 123,006.80 is: 184,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,117.20 : 296,772.60 = 123,006.80 : x
  2. Step 2: Convert to fraction form
    198,117.20/296,772.60 = 123,006.80/x
  3. Step 3: Cross multiply
    198,117.20x = 296,772.60 × 123,006.80
  4. Step 4: Simplify right side
    198,117.20x = 36,505,047,853.68
  5. Step 5: Solve for x
    x = 36,505,047,853.68/198,117.20
  6. Step 6: Final answer
    x = 184,259.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.