Home / 119,760.03-165,266.78-66,049.92

Finding the Fourth Proportional to 119,760.03, 165,266.78 and 66,049.92

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Solution

The fourth proportional to 119,760.03, 165,266.78 and 66,049.92 is: 91,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,760.03 : 165,266.78 = 66,049.92 : x
  2. Step 2: Convert to fraction form
    119,760.03/165,266.78 = 66,049.92/x
  3. Step 3: Cross multiply
    119,760.03x = 165,266.78 × 66,049.92
  4. Step 4: Simplify right side
    119,760.03x = 10,915,857,267.41
  5. Step 5: Solve for x
    x = 10,915,857,267.41/119,760.03
  6. Step 6: Final answer
    x = 91,147.75

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1.5x scale

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.