Home / 132,376.77-198,720.68-82,571.49

Finding the Fourth Proportional to 132,376.77, 198,720.68 and 82,571.49

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Solution

The fourth proportional to 132,376.77, 198,720.68 and 82,571.49 is: 123,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,376.77 : 198,720.68 = 82,571.49 : x
  2. Step 2: Convert to fraction form
    132,376.77/198,720.68 = 82,571.49/x
  3. Step 3: Cross multiply
    132,376.77x = 198,720.68 × 82,571.49
  4. Step 4: Simplify right side
    132,376.77x = 16,408,662,228.56
  5. Step 5: Solve for x
    x = 16,408,662,228.56/132,376.77
  6. Step 6: Final answer
    x = 123,954.24

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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.