Home / 120,960.24-166,938.90-67,250.64

Finding the Fourth Proportional to 120,960.24, 166,938.90 and 67,250.64

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Solution

The fourth proportional to 120,960.24, 166,938.90 and 67,250.64 is: 92,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,960.24 : 166,938.90 = 67,250.64 : x
  2. Step 2: Convert to fraction form
    120,960.24/166,938.90 = 67,250.64/x
  3. Step 3: Cross multiply
    120,960.24x = 166,938.90 × 67,250.64
  4. Step 4: Simplify right side
    120,960.24x = 11,226,747,865.90
  5. Step 5: Solve for x
    x = 11,226,747,865.90/120,960.24
  6. Step 6: Final answer
    x = 92,813.54

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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.