Home / 276,766.32-381,999.69-181,217.46

Finding the Fourth Proportional to 276,766.32, 381,999.69 and 181,217.46

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Solution

The fourth proportional to 276,766.32, 381,999.69 and 181,217.46 is: 250,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,766.32 : 381,999.69 = 181,217.46 : x
  2. Step 2: Convert to fraction form
    276,766.32/381,999.69 = 181,217.46/x
  3. Step 3: Cross multiply
    276,766.32x = 381,999.69 × 181,217.46
  4. Step 4: Simplify right side
    276,766.32x = 69,225,013,542.59
  5. Step 5: Solve for x
    x = 69,225,013,542.59/276,766.32
  6. Step 6: Final answer
    x = 250,120.80

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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.