Home / 166,874.42-250,380.75-67,105.28

Finding the Fourth Proportional to 166,874.42, 250,380.75 and 67,105.28

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Solution

The fourth proportional to 166,874.42, 250,380.75 and 67,105.28 is: 100,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,874.42 : 250,380.75 = 67,105.28 : x
  2. Step 2: Convert to fraction form
    166,874.42/250,380.75 = 67,105.28/x
  3. Step 3: Cross multiply
    166,874.42x = 250,380.75 × 67,105.28
  4. Step 4: Simplify right side
    166,874.42x = 16,801,870,335.36
  5. Step 5: Solve for x
    x = 16,801,870,335.36/166,874.42
  6. Step 6: Final answer
    x = 100,685.72

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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.