Home / 167,188.74-250,651.17-82,890.78

Finding the Fourth Proportional to 167,188.74, 250,651.17 and 82,890.78

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Solution

The fourth proportional to 167,188.74, 250,651.17 and 82,890.78 is: 124,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,188.74 : 250,651.17 = 82,890.78 : x
  2. Step 2: Convert to fraction form
    167,188.74/250,651.17 = 82,890.78/x
  3. Step 3: Cross multiply
    167,188.74x = 250,651.17 × 82,890.78
  4. Step 4: Simplify right side
    167,188.74x = 20,776,670,989.21
  5. Step 5: Solve for x
    x = 20,776,670,989.21/167,188.74
  6. Step 6: Final answer
    x = 124,270.76

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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.