Home / 136,716.44-205,073.38-43,222.20

Finding the Fourth Proportional to 136,716.44, 205,073.38 and 43,222.20

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Solution

The fourth proportional to 136,716.44, 205,073.38 and 43,222.20 is: 64,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,716.44 : 205,073.38 = 43,222.20 : x
  2. Step 2: Convert to fraction form
    136,716.44/205,073.38 = 43,222.20/x
  3. Step 3: Cross multiply
    136,716.44x = 205,073.38 × 43,222.20
  4. Step 4: Simplify right side
    136,716.44x = 8,863,722,645.04
  5. Step 5: Solve for x
    x = 8,863,722,645.04/136,716.44
  6. Step 6: Final answer
    x = 64,832.90

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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.