Home / 197,859.11-296,677.69-85,469.18

Finding the Fourth Proportional to 197,859.11, 296,677.69 and 85,469.18

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Solution

The fourth proportional to 197,859.11, 296,677.69 and 85,469.18 is: 128,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,859.11 : 296,677.69 = 85,469.18 : x
  2. Step 2: Convert to fraction form
    197,859.11/296,677.69 = 85,469.18/x
  3. Step 3: Cross multiply
    197,859.11x = 296,677.69 × 85,469.18
  4. Step 4: Simplify right side
    197,859.11x = 25,356,797,191.53
  5. Step 5: Solve for x
    x = 25,356,797,191.53/197,859.11
  6. Step 6: Final answer
    x = 128,155.83

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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.