Home / 132,865.82-198,452.02-120,196.16

Finding the Fourth Proportional to 132,865.82, 198,452.02 and 120,196.16

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Solution

The fourth proportional to 132,865.82, 198,452.02 and 120,196.16 is: 179,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,865.82 : 198,452.02 = 120,196.16 : x
  2. Step 2: Convert to fraction form
    132,865.82/198,452.02 = 120,196.16/x
  3. Step 3: Cross multiply
    132,865.82x = 198,452.02 × 120,196.16
  4. Step 4: Simplify right side
    132,865.82x = 23,853,170,748.24
  5. Step 5: Solve for x
    x = 23,853,170,748.24/132,865.82
  6. Step 6: Final answer
    x = 179,528.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.