Home / 192,190.32-288,286.52-126,049.30

Finding the Fourth Proportional to 192,190.32, 288,286.52 and 126,049.30

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Solution

The fourth proportional to 192,190.32, 288,286.52 and 126,049.30 is: 189,074.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,190.32 : 288,286.52 = 126,049.30 : x
  2. Step 2: Convert to fraction form
    192,190.32/288,286.52 = 126,049.30/x
  3. Step 3: Cross multiply
    192,190.32x = 288,286.52 × 126,049.30
  4. Step 4: Simplify right side
    192,190.32x = 36,338,314,045.44
  5. Step 5: Solve for x
    x = 36,338,314,045.44/192,190.32
  6. Step 6: Final answer
    x = 189,074.63

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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.