Home / 185,932.80-278,869.84-80,723.52

Finding the Fourth Proportional to 185,932.80, 278,869.84 and 80,723.52

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Solution

The fourth proportional to 185,932.80, 278,869.84 and 80,723.52 is: 121,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,932.80 : 278,869.84 = 80,723.52 : x
  2. Step 2: Convert to fraction form
    185,932.80/278,869.84 = 80,723.52/x
  3. Step 3: Cross multiply
    185,932.80x = 278,869.84 × 80,723.52
  4. Step 4: Simplify right side
    185,932.80x = 22,511,355,106.64
  5. Step 5: Solve for x
    x = 22,511,355,106.64/185,932.80
  6. Step 6: Final answer
    x = 121,072.53

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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.