Home / 126,021.23-188,834.97-107,223.96

Finding the Fourth Proportional to 126,021.23, 188,834.97 and 107,223.96

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Solution

The fourth proportional to 126,021.23, 188,834.97 and 107,223.96 is: 160,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.23 : 188,834.97 = 107,223.96 : x
  2. Step 2: Convert to fraction form
    126,021.23/188,834.97 = 107,223.96/x
  3. Step 3: Cross multiply
    126,021.23x = 188,834.97 × 107,223.96
  4. Step 4: Simplify right side
    126,021.23x = 20,247,633,269.88
  5. Step 5: Solve for x
    x = 20,247,633,269.88/126,021.23
  6. Step 6: Final answer
    x = 160,668.44

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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.