Home / 132,621.68-198,859.82-52,578.56

Finding the Fourth Proportional to 132,621.68, 198,859.82 and 52,578.56

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Solution

The fourth proportional to 132,621.68, 198,859.82 and 52,578.56 is: 78,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,621.68 : 198,859.82 = 52,578.56 : x
  2. Step 2: Convert to fraction form
    132,621.68/198,859.82 = 52,578.56/x
  3. Step 3: Cross multiply
    132,621.68x = 198,859.82 × 52,578.56
  4. Step 4: Simplify right side
    132,621.68x = 10,455,763,211.72
  5. Step 5: Solve for x
    x = 10,455,763,211.72/132,621.68
  6. Step 6: Final answer
    x = 78,839.02

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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.