Home / 198,800.18-298,098.11-58,540.58

Finding the Fourth Proportional to 198,800.18, 298,098.11 and 58,540.58

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Solution

The fourth proportional to 198,800.18, 298,098.11 and 58,540.58 is: 87,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,800.18 : 298,098.11 = 58,540.58 : x
  2. Step 2: Convert to fraction form
    198,800.18/298,098.11 = 58,540.58/x
  3. Step 3: Cross multiply
    198,800.18x = 298,098.11 × 58,540.58
  4. Step 4: Simplify right side
    198,800.18x = 17,450,834,473.11
  5. Step 5: Solve for x
    x = 17,450,834,473.11/198,800.18
  6. Step 6: Final answer
    x = 87,780.78

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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.