Home / 132,789.03-199,183-53,902.59

Finding the Fourth Proportional to 132,789.03, 199,183 and 53,902.59

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Solution

The fourth proportional to 132,789.03, 199,183 and 53,902.59 is: 80,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,789.03 : 199,183 = 53,902.59 : x
  2. Step 2: Convert to fraction form
    132,789.03/199,183 = 53,902.59/x
  3. Step 3: Cross multiply
    132,789.03x = 199,183 × 53,902.59
  4. Step 4: Simplify right side
    132,789.03x = 10,736,479,583.97
  5. Step 5: Solve for x
    x = 10,736,479,583.97/132,789.03
  6. Step 6: Final answer
    x = 80,853.66

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1.5x scale

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.