Home / 276,331.38-381,337.30-157,099.38

Finding the Fourth Proportional to 276,331.38, 381,337.30 and 157,099.38

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Solution

The fourth proportional to 276,331.38, 381,337.30 and 157,099.38 is: 216,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,331.38 : 381,337.30 = 157,099.38 : x
  2. Step 2: Convert to fraction form
    276,331.38/381,337.30 = 157,099.38/x
  3. Step 3: Cross multiply
    276,331.38x = 381,337.30 × 157,099.38
  4. Step 4: Simplify right side
    276,331.38x = 59,907,853,400.87
  5. Step 5: Solve for x
    x = 59,907,853,400.87/276,331.38
  6. Step 6: Final answer
    x = 216,797.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.