Home / 185,910.44-278,708.94-80,650.04

Finding the Fourth Proportional to 185,910.44, 278,708.94 and 80,650.04

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Solution

The fourth proportional to 185,910.44, 278,708.94 and 80,650.04 is: 120,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,910.44 : 278,708.94 = 80,650.04 : x
  2. Step 2: Convert to fraction form
    185,910.44/278,708.94 = 80,650.04/x
  3. Step 3: Cross multiply
    185,910.44x = 278,708.94 × 80,650.04
  4. Step 4: Simplify right side
    185,910.44x = 22,477,887,159.36
  5. Step 5: Solve for x
    x = 22,477,887,159.36/185,910.44
  6. Step 6: Final answer
    x = 120,907.07

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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.