Home / 132,984.52-198,614.57-120,479.56

Finding the Fourth Proportional to 132,984.52, 198,614.57 and 120,479.56

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Solution

The fourth proportional to 132,984.52, 198,614.57 and 120,479.56 is: 179,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,984.52 : 198,614.57 = 120,479.56 : x
  2. Step 2: Convert to fraction form
    132,984.52/198,614.57 = 120,479.56/x
  3. Step 3: Cross multiply
    132,984.52x = 198,614.57 × 120,479.56
  4. Step 4: Simplify right side
    132,984.52x = 23,928,996,003.19
  5. Step 5: Solve for x
    x = 23,928,996,003.19/132,984.52
  6. Step 6: Final answer
    x = 179,938.21

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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.