Home / 412,650.72-618,984.48-132,167.04

Finding the Fourth Proportional to 412,650.72, 618,984.48 and 132,167.04

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Solution

The fourth proportional to 412,650.72, 618,984.48 and 132,167.04 is: 198,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,650.72 : 618,984.48 = 132,167.04 : x
  2. Step 2: Convert to fraction form
    412,650.72/618,984.48 = 132,167.04/x
  3. Step 3: Cross multiply
    412,650.72x = 618,984.48 × 132,167.04
  4. Step 4: Simplify right side
    412,650.72x = 81,809,346,527.54
  5. Step 5: Solve for x
    x = 81,809,346,527.54/412,650.72
  6. Step 6: Final answer
    x = 198,253.25

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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.