Home / 109,945.20-164,820.60-65,524.80

Finding the Fourth Proportional to 109,945.20, 164,820.60 and 65,524.80

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Solution

The fourth proportional to 109,945.20, 164,820.60 and 65,524.80 is: 98,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,945.20 : 164,820.60 = 65,524.80 : x
  2. Step 2: Convert to fraction form
    109,945.20/164,820.60 = 65,524.80/x
  3. Step 3: Cross multiply
    109,945.20x = 164,820.60 × 65,524.80
  4. Step 4: Simplify right side
    109,945.20x = 10,799,836,850.88
  5. Step 5: Solve for x
    x = 10,799,836,850.88/109,945.20
  6. Step 6: Final answer
    x = 98,229.27

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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.