Home / 120,610.26-166,333.23-75,292.43

Finding the Fourth Proportional to 120,610.26, 166,333.23 and 75,292.43

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Solution

The fourth proportional to 120,610.26, 166,333.23 and 75,292.43 is: 103,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,610.26 : 166,333.23 = 75,292.43 : x
  2. Step 2: Convert to fraction form
    120,610.26/166,333.23 = 75,292.43/x
  3. Step 3: Cross multiply
    120,610.26x = 166,333.23 × 75,292.43
  4. Step 4: Simplify right side
    120,610.26x = 12,523,632,244.78
  5. Step 5: Solve for x
    x = 12,523,632,244.78/120,610.26
  6. Step 6: Final answer
    x = 103,835.55

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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.