Home / 119,738.68-165,249.22-66,034.20

Finding the Fourth Proportional to 119,738.68, 165,249.22 and 66,034.20

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Solution

The fourth proportional to 119,738.68, 165,249.22 and 66,034.20 is: 91,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,738.68 : 165,249.22 = 66,034.20 : x
  2. Step 2: Convert to fraction form
    119,738.68/165,249.22 = 66,034.20/x
  3. Step 3: Cross multiply
    119,738.68x = 165,249.22 × 66,034.20
  4. Step 4: Simplify right side
    119,738.68x = 10,912,100,043.32
  5. Step 5: Solve for x
    x = 10,912,100,043.32/119,738.68
  6. Step 6: Final answer
    x = 91,132.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.