Home / 132,401.44-198,582-43,651.36

Finding the Fourth Proportional to 132,401.44, 198,582 and 43,651.36

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Solution

The fourth proportional to 132,401.44, 198,582 and 43,651.36 is: 65,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,401.44 : 198,582 = 43,651.36 : x
  2. Step 2: Convert to fraction form
    132,401.44/198,582 = 43,651.36/x
  3. Step 3: Cross multiply
    132,401.44x = 198,582 × 43,651.36
  4. Step 4: Simplify right side
    132,401.44x = 8,668,374,371.52
  5. Step 5: Solve for x
    x = 8,668,374,371.52/132,401.44
  6. Step 6: Final answer
    x = 65,470.39

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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.