Home / 132,081.56-198,171.66-53,218.16

Finding the Fourth Proportional to 132,081.56, 198,171.66 and 53,218.16

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Solution

The fourth proportional to 132,081.56, 198,171.66 and 53,218.16 is: 79,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,081.56 : 198,171.66 = 53,218.16 : x
  2. Step 2: Convert to fraction form
    132,081.56/198,171.66 = 53,218.16/x
  3. Step 3: Cross multiply
    132,081.56x = 198,171.66 × 53,218.16
  4. Step 4: Simplify right side
    132,081.56x = 10,546,331,109.35
  5. Step 5: Solve for x
    x = 10,546,331,109.35/132,081.56
  6. Step 6: Final answer
    x = 79,847.11

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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.