Home / 198,526.39-297,845.17-80,280.76

Finding the Fourth Proportional to 198,526.39, 297,845.17 and 80,280.76

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Solution

The fourth proportional to 198,526.39, 297,845.17 and 80,280.76 is: 120,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,526.39 : 297,845.17 = 80,280.76 : x
  2. Step 2: Convert to fraction form
    198,526.39/297,845.17 = 80,280.76/x
  3. Step 3: Cross multiply
    198,526.39x = 297,845.17 × 80,280.76
  4. Step 4: Simplify right side
    198,526.39x = 23,911,236,609.93
  5. Step 5: Solve for x
    x = 23,911,236,609.93/198,526.39
  6. Step 6: Final answer
    x = 120,443.62

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1.5x scale

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.