Home / 197,704.20-296,498.70-71,329.80

Finding the Fourth Proportional to 197,704.20, 296,498.70 and 71,329.80

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Solution

The fourth proportional to 197,704.20, 296,498.70 and 71,329.80 is: 106,973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,704.20 : 296,498.70 = 71,329.80 : x
  2. Step 2: Convert to fraction form
    197,704.20/296,498.70 = 71,329.80/x
  3. Step 3: Cross multiply
    197,704.20x = 296,498.70 × 71,329.80
  4. Step 4: Simplify right side
    197,704.20x = 21,149,192,971.26
  5. Step 5: Solve for x
    x = 21,149,192,971.26/197,704.20
  6. Step 6: Final answer
    x = 106,973.92

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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.