Home / 106,765.20-160,166.22-43,619.64

Finding the Fourth Proportional to 106,765.20, 160,166.22 and 43,619.64

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Solution

The fourth proportional to 106,765.20, 160,166.22 and 43,619.64 is: 65,436.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,765.20 : 160,166.22 = 43,619.64 : x
  2. Step 2: Convert to fraction form
    106,765.20/160,166.22 = 43,619.64/x
  3. Step 3: Cross multiply
    106,765.20x = 160,166.22 × 43,619.64
  4. Step 4: Simplify right side
    106,765.20x = 6,986,392,856.56
  5. Step 5: Solve for x
    x = 6,986,392,856.56/106,765.20
  6. Step 6: Final answer
    x = 65,436.99

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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.