Home / 185,948.80-278,893.84-80,739.52

Finding the Fourth Proportional to 185,948.80, 278,893.84 and 80,739.52

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Solution

The fourth proportional to 185,948.80, 278,893.84 and 80,739.52 is: 121,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,948.80 : 278,893.84 = 80,739.52 : x
  2. Step 2: Convert to fraction form
    185,948.80/278,893.84 = 80,739.52/x
  3. Step 3: Cross multiply
    185,948.80x = 278,893.84 × 80,739.52
  4. Step 4: Simplify right side
    185,948.80x = 22,517,754,772.56
  5. Step 5: Solve for x
    x = 22,517,754,772.56/185,948.80
  6. Step 6: Final answer
    x = 121,096.53

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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.