Home / 166,738.38-250,154.28-66,968.61

Finding the Fourth Proportional to 166,738.38, 250,154.28 and 66,968.61

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Solution

The fourth proportional to 166,738.38, 250,154.28 and 66,968.61 is: 100,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,738.38 : 250,154.28 = 66,968.61 : x
  2. Step 2: Convert to fraction form
    166,738.38/250,154.28 = 66,968.61/x
  3. Step 3: Cross multiply
    166,738.38x = 250,154.28 × 66,968.61
  4. Step 4: Simplify right side
    166,738.38x = 16,752,484,417.15
  5. Step 5: Solve for x
    x = 16,752,484,417.15/166,738.38
  6. Step 6: Final answer
    x = 100,471.68

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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.