Home / 106,738.56-160,107.82-40,193.60

Finding the Fourth Proportional to 106,738.56, 160,107.82 and 40,193.60

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Solution

The fourth proportional to 106,738.56, 160,107.82 and 40,193.60 is: 60,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,738.56 : 160,107.82 = 40,193.60 : x
  2. Step 2: Convert to fraction form
    106,738.56/160,107.82 = 40,193.60/x
  3. Step 3: Cross multiply
    106,738.56x = 160,107.82 × 40,193.60
  4. Step 4: Simplify right side
    106,738.56x = 6,435,309,673.95
  5. Step 5: Solve for x
    x = 6,435,309,673.95/106,738.56
  6. Step 6: Final answer
    x = 60,290.39

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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.