Home / 185,783.52-278,625.60-80,577.84

Finding the Fourth Proportional to 185,783.52, 278,625.60 and 80,577.84

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Solution

The fourth proportional to 185,783.52, 278,625.60 and 80,577.84 is: 120,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,783.52 : 278,625.60 = 80,577.84 : x
  2. Step 2: Convert to fraction form
    185,783.52/278,625.60 = 80,577.84/x
  3. Step 3: Cross multiply
    185,783.52x = 278,625.60 × 80,577.84
  4. Step 4: Simplify right side
    185,783.52x = 22,451,049,016.70
  5. Step 5: Solve for x
    x = 22,451,049,016.70/185,783.52
  6. Step 6: Final answer
    x = 120,845.21

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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.