Home / 166,961.22-250,453.48-67,121.48

Finding the Fourth Proportional to 166,961.22, 250,453.48 and 67,121.48

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Solution

The fourth proportional to 166,961.22, 250,453.48 and 67,121.48 is: 100,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,961.22 : 250,453.48 = 67,121.48 : x
  2. Step 2: Convert to fraction form
    166,961.22/250,453.48 = 67,121.48/x
  3. Step 3: Cross multiply
    166,961.22x = 250,453.48 × 67,121.48
  4. Step 4: Simplify right side
    166,961.22x = 16,810,808,248.75
  5. Step 5: Solve for x
    x = 16,810,808,248.75/166,961.22
  6. Step 6: Final answer
    x = 100,686.90

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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.