Home / 80,158.32-120,237.03-32,763.42

Finding the Fourth Proportional to 80,158.32, 120,237.03 and 32,763.42

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Solution

The fourth proportional to 80,158.32, 120,237.03 and 32,763.42 is: 49,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,158.32 : 120,237.03 = 32,763.42 : x
  2. Step 2: Convert to fraction form
    80,158.32/120,237.03 = 32,763.42/x
  3. Step 3: Cross multiply
    80,158.32x = 120,237.03 × 32,763.42
  4. Step 4: Simplify right side
    80,158.32x = 3,939,376,313.44
  5. Step 5: Solve for x
    x = 3,939,376,313.44/80,158.32
  6. Step 6: Final answer
    x = 49,144.95

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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.