Home / 140,989.38-211,531.44-52,250.04

Finding the Fourth Proportional to 140,989.38, 211,531.44 and 52,250.04

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Solution

The fourth proportional to 140,989.38, 211,531.44 and 52,250.04 is: 78,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,989.38 : 211,531.44 = 52,250.04 : x
  2. Step 2: Convert to fraction form
    140,989.38/211,531.44 = 52,250.04/x
  3. Step 3: Cross multiply
    140,989.38x = 211,531.44 × 52,250.04
  4. Step 4: Simplify right side
    140,989.38x = 11,052,526,201.26
  5. Step 5: Solve for x
    x = 11,052,526,201.26/140,989.38
  6. Step 6: Final answer
    x = 78,392.62

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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.