Home / 173,135.07-259,734.20-60,781.59

Finding the Fourth Proportional to 173,135.07, 259,734.20 and 60,781.59

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Solution

The fourth proportional to 173,135.07, 259,734.20 and 60,781.59 is: 91,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,135.07 : 259,734.20 = 60,781.59 : x
  2. Step 2: Convert to fraction form
    173,135.07/259,734.20 = 60,781.59/x
  3. Step 3: Cross multiply
    173,135.07x = 259,734.20 × 60,781.59
  4. Step 4: Simplify right side
    173,135.07x = 15,787,057,349.47
  5. Step 5: Solve for x
    x = 15,787,057,349.47/173,135.07
  6. Step 6: Final answer
    x = 91,183.48

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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.