Home / 185,441.43-278,161.89-67,085.04

Finding the Fourth Proportional to 185,441.43, 278,161.89 and 67,085.04

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Solution

The fourth proportional to 185,441.43, 278,161.89 and 67,085.04 is: 100,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,441.43 : 278,161.89 = 67,085.04 : x
  2. Step 2: Convert to fraction form
    185,441.43/278,161.89 = 67,085.04/x
  3. Step 3: Cross multiply
    185,441.43x = 278,161.89 × 67,085.04
  4. Step 4: Simplify right side
    185,441.43x = 18,660,501,517.13
  5. Step 5: Solve for x
    x = 18,660,501,517.13/185,441.43
  6. Step 6: Final answer
    x = 100,627.47

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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.