Home / 132,621.56-198,859.64-52,578.44

Finding the Fourth Proportional to 132,621.56, 198,859.64 and 52,578.44

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Solution

The fourth proportional to 132,621.56, 198,859.64 and 52,578.44 is: 78,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,621.56 : 198,859.64 = 52,578.44 : x
  2. Step 2: Convert to fraction form
    132,621.56/198,859.64 = 52,578.44/x
  3. Step 3: Cross multiply
    132,621.56x = 198,859.64 × 52,578.44
  4. Step 4: Simplify right side
    132,621.56x = 10,455,729,650.16
  5. Step 5: Solve for x
    x = 10,455,729,650.16/132,621.56
  6. Step 6: Final answer
    x = 78,838.84

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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.