Home / 129,532.32-194,049.20-79,466.22

Finding the Fourth Proportional to 129,532.32, 194,049.20 and 79,466.22

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Solution

The fourth proportional to 129,532.32, 194,049.20 and 79,466.22 is: 119,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,532.32 : 194,049.20 = 79,466.22 : x
  2. Step 2: Convert to fraction form
    129,532.32/194,049.20 = 79,466.22/x
  3. Step 3: Cross multiply
    129,532.32x = 194,049.20 × 79,466.22
  4. Step 4: Simplify right side
    129,532.32x = 15,420,356,418.02
  5. Step 5: Solve for x
    x = 15,420,356,418.02/129,532.32
  6. Step 6: Final answer
    x = 119,046.40

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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.