Home / 132,255.72-198,382.05-53,368.56

Finding the Fourth Proportional to 132,255.72, 198,382.05 and 53,368.56

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Solution

The fourth proportional to 132,255.72, 198,382.05 and 53,368.56 is: 80,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,255.72 : 198,382.05 = 53,368.56 : x
  2. Step 2: Convert to fraction form
    132,255.72/198,382.05 = 53,368.56/x
  3. Step 3: Cross multiply
    132,255.72x = 198,382.05 × 53,368.56
  4. Step 4: Simplify right side
    132,255.72x = 10,587,364,338.35
  5. Step 5: Solve for x
    x = 10,587,364,338.35/132,255.72
  6. Step 6: Final answer
    x = 80,052.22

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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.