Home / 198,913.52-298,373.52-188,819.84

Finding the Fourth Proportional to 198,913.52, 298,373.52 and 188,819.84

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Solution

The fourth proportional to 198,913.52, 298,373.52 and 188,819.84 is: 283,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,913.52 : 298,373.52 = 188,819.84 : x
  2. Step 2: Convert to fraction form
    198,913.52/298,373.52 = 188,819.84/x
  3. Step 3: Cross multiply
    198,913.52x = 298,373.52 × 188,819.84
  4. Step 4: Simplify right side
    198,913.52x = 56,338,840,306.64
  5. Step 5: Solve for x
    x = 56,338,840,306.64/198,913.52
  6. Step 6: Final answer
    x = 283,232.84

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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.