Home / 119,786.73-165,306.69-66,073.56

Finding the Fourth Proportional to 119,786.73, 165,306.69 and 66,073.56

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Solution

The fourth proportional to 119,786.73, 165,306.69 and 66,073.56 is: 91,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,786.73 : 165,306.69 = 66,073.56 : x
  2. Step 2: Convert to fraction form
    119,786.73/165,306.69 = 66,073.56/x
  3. Step 3: Cross multiply
    119,786.73x = 165,306.69 × 66,073.56
  4. Step 4: Simplify right side
    119,786.73x = 10,922,401,500.12
  5. Step 5: Solve for x
    x = 10,922,401,500.12/119,786.73
  6. Step 6: Final answer
    x = 91,182.07

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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.