Home / 198,809.43-298,101.18-135,705.95

Finding the Fourth Proportional to 198,809.43, 298,101.18 and 135,705.95

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Solution

The fourth proportional to 198,809.43, 298,101.18 and 135,705.95 is: 203,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,809.43 : 298,101.18 = 135,705.95 : x
  2. Step 2: Convert to fraction form
    198,809.43/298,101.18 = 135,705.95/x
  3. Step 3: Cross multiply
    198,809.43x = 298,101.18 × 135,705.95
  4. Step 4: Simplify right side
    198,809.43x = 40,454,102,337.52
  5. Step 5: Solve for x
    x = 40,454,102,337.52/198,809.43
  6. Step 6: Final answer
    x = 203,481.81

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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.