Home / 192,556.07-288,834.92-126,414.71

Finding the Fourth Proportional to 192,556.07, 288,834.92 and 126,414.71

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Solution

The fourth proportional to 192,556.07, 288,834.92 and 126,414.71 is: 189,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,556.07 : 288,834.92 = 126,414.71 : x
  2. Step 2: Convert to fraction form
    192,556.07/288,834.92 = 126,414.71/x
  3. Step 3: Cross multiply
    192,556.07x = 288,834.92 × 126,414.71
  4. Step 4: Simplify right side
    192,556.07x = 36,512,982,649.67
  5. Step 5: Solve for x
    x = 36,512,982,649.67/192,556.07
  6. Step 6: Final answer
    x = 189,622.60

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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.