Home / 186,723.20-280,082.55-131,724.20

Finding the Fourth Proportional to 186,723.20, 280,082.55 and 131,724.20

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Solution

The fourth proportional to 186,723.20, 280,082.55 and 131,724.20 is: 197,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,723.20 : 280,082.55 = 131,724.20 : x
  2. Step 2: Convert to fraction form
    186,723.20/280,082.55 = 131,724.20/x
  3. Step 3: Cross multiply
    186,723.20x = 280,082.55 × 131,724.20
  4. Step 4: Simplify right side
    186,723.20x = 36,893,649,832.71
  5. Step 5: Solve for x
    x = 36,893,649,832.71/186,723.20
  6. Step 6: Final answer
    x = 197,584.71

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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.