Home / 197,729.91-296,608.71-79,401.25

Finding the Fourth Proportional to 197,729.91, 296,608.71 and 79,401.25

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Solution

The fourth proportional to 197,729.91, 296,608.71 and 79,401.25 is: 119,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,729.91 : 296,608.71 = 79,401.25 : x
  2. Step 2: Convert to fraction form
    197,729.91/296,608.71 = 79,401.25/x
  3. Step 3: Cross multiply
    197,729.91x = 296,608.71 × 79,401.25
  4. Step 4: Simplify right side
    197,729.91x = 23,551,101,937.88
  5. Step 5: Solve for x
    x = 23,551,101,937.88/197,729.91
  6. Step 6: Final answer
    x = 119,107.43

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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.