Home / 192,022.80-288,034.20-132,147.60

Finding the Fourth Proportional to 192,022.80, 288,034.20 and 132,147.60

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Solution

The fourth proportional to 192,022.80, 288,034.20 and 132,147.60 is: 198,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,022.80 : 288,034.20 = 132,147.60 : x
  2. Step 2: Convert to fraction form
    192,022.80/288,034.20 = 132,147.60/x
  3. Step 3: Cross multiply
    192,022.80x = 288,034.20 × 132,147.60
  4. Step 4: Simplify right side
    192,022.80x = 38,063,028,247.92
  5. Step 5: Solve for x
    x = 38,063,028,247.92/192,022.80
  6. Step 6: Final answer
    x = 198,221.40

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1.5x scale

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.