Home / 185,728.80-278,402.56-73,363.52

Finding the Fourth Proportional to 185,728.80, 278,402.56 and 73,363.52

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Solution

The fourth proportional to 185,728.80, 278,402.56 and 73,363.52 is: 109,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,728.80 : 278,402.56 = 73,363.52 : x
  2. Step 2: Convert to fraction form
    185,728.80/278,402.56 = 73,363.52/x
  3. Step 3: Cross multiply
    185,728.80x = 278,402.56 × 73,363.52
  4. Step 4: Simplify right side
    185,728.80x = 20,424,591,778.61
  5. Step 5: Solve for x
    x = 20,424,591,778.61/185,728.80
  6. Step 6: Final answer
    x = 109,969.98

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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.