Home / 276,545.44-381,634.96-157,321.12

Finding the Fourth Proportional to 276,545.44, 381,634.96 and 157,321.12

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Solution

The fourth proportional to 276,545.44, 381,634.96 and 157,321.12 is: 217,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,545.44 : 381,634.96 = 157,321.12 : x
  2. Step 2: Convert to fraction form
    276,545.44/381,634.96 = 157,321.12/x
  3. Step 3: Cross multiply
    276,545.44x = 381,634.96 × 157,321.12
  4. Step 4: Simplify right side
    276,545.44x = 60,039,239,338.36
  5. Step 5: Solve for x
    x = 60,039,239,338.36/276,545.44
  6. Step 6: Final answer
    x = 217,104.43

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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.