Home / 185,792.28-278,617.08-79,108.56

Finding the Fourth Proportional to 185,792.28, 278,617.08 and 79,108.56

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Solution

The fourth proportional to 185,792.28, 278,617.08 and 79,108.56 is: 118,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,792.28 : 278,617.08 = 79,108.56 : x
  2. Step 2: Convert to fraction form
    185,792.28/278,617.08 = 79,108.56/x
  3. Step 3: Cross multiply
    185,792.28x = 278,617.08 × 79,108.56
  4. Step 4: Simplify right side
    185,792.28x = 22,040,995,990.20
  5. Step 5: Solve for x
    x = 22,040,995,990.20/185,792.28
  6. Step 6: Final answer
    x = 118,632.46

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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.