Home / 198,819.48-298,249.94-63,849.45

Finding the Fourth Proportional to 198,819.48, 298,249.94 and 63,849.45

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Solution

The fourth proportional to 198,819.48, 298,249.94 and 63,849.45 is: 95,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,819.48 : 298,249.94 = 63,849.45 : x
  2. Step 2: Convert to fraction form
    198,819.48/298,249.94 = 63,849.45/x
  3. Step 3: Cross multiply
    198,819.48x = 298,249.94 × 63,849.45
  4. Step 4: Simplify right side
    198,819.48x = 19,043,094,631.53
  5. Step 5: Solve for x
    x = 19,043,094,631.53/198,819.48
  6. Step 6: Final answer
    x = 95,780.83

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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.