Home / 132,495.21-198,524.43-76,382.64

Finding the Fourth Proportional to 132,495.21, 198,524.43 and 76,382.64

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Solution

The fourth proportional to 132,495.21, 198,524.43 and 76,382.64 is: 114,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,495.21 : 198,524.43 = 76,382.64 : x
  2. Step 2: Convert to fraction form
    132,495.21/198,524.43 = 76,382.64/x
  3. Step 3: Cross multiply
    132,495.21x = 198,524.43 × 76,382.64
  4. Step 4: Simplify right side
    132,495.21x = 15,163,820,067.90
  5. Step 5: Solve for x
    x = 15,163,820,067.90/132,495.21
  6. Step 6: Final answer
    x = 114,448.06

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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.