Home / 120,960.20-166,899.30-73,204.04

Finding the Fourth Proportional to 120,960.20, 166,899.30 and 73,204.04

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Solution

The fourth proportional to 120,960.20, 166,899.30 and 73,204.04 is: 101,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,960.20 : 166,899.30 = 73,204.04 : x
  2. Step 2: Convert to fraction form
    120,960.20/166,899.30 = 73,204.04/x
  3. Step 3: Cross multiply
    120,960.20x = 166,899.30 × 73,204.04
  4. Step 4: Simplify right side
    120,960.20x = 12,217,703,033.17
  5. Step 5: Solve for x
    x = 12,217,703,033.17/120,960.20
  6. Step 6: Final answer
    x = 101,005.98

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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.