Home / 166,950.30-230,390.87-90,469.69

Finding the Fourth Proportional to 166,950.30, 230,390.87 and 90,469.69

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Solution

The fourth proportional to 166,950.30, 230,390.87 and 90,469.69 is: 124,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,950.30 : 230,390.87 = 90,469.69 : x
  2. Step 2: Convert to fraction form
    166,950.30/230,390.87 = 90,469.69/x
  3. Step 3: Cross multiply
    166,950.30x = 230,390.87 × 90,469.69
  4. Step 4: Simplify right side
    166,950.30x = 20,843,390,587.73
  5. Step 5: Solve for x
    x = 20,843,390,587.73/166,950.30
  6. Step 6: Final answer
    x = 124,847.88

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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.