Home / 197,715.83-296,571.45-79,385.09

Finding the Fourth Proportional to 197,715.83, 296,571.45 and 79,385.09

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Solution

The fourth proportional to 197,715.83, 296,571.45 and 79,385.09 is: 119,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,715.83 : 296,571.45 = 79,385.09 : x
  2. Step 2: Convert to fraction form
    197,715.83/296,571.45 = 79,385.09/x
  3. Step 3: Cross multiply
    197,715.83x = 296,571.45 × 79,385.09
  4. Step 4: Simplify right side
    197,715.83x = 23,543,351,249.68
  5. Step 5: Solve for x
    x = 23,543,351,249.68/197,715.83
  6. Step 6: Final answer
    x = 119,076.71

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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.