Home / 197,836.68-296,635.41-77,749.92

Finding the Fourth Proportional to 197,836.68, 296,635.41 and 77,749.92

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Solution

The fourth proportional to 197,836.68, 296,635.41 and 77,749.92 is: 116,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,836.68 : 296,635.41 = 77,749.92 : x
  2. Step 2: Convert to fraction form
    197,836.68/296,635.41 = 77,749.92/x
  3. Step 3: Cross multiply
    197,836.68x = 296,635.41 × 77,749.92
  4. Step 4: Simplify right side
    197,836.68x = 23,063,379,396.67
  5. Step 5: Solve for x
    x = 23,063,379,396.67/197,836.68
  6. Step 6: Final answer
    x = 116,577.87

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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.