Home / 445,161.50-667,736.43-108,201.18

Finding the Fourth Proportional to 445,161.50, 667,736.43 and 108,201.18

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Solution

The fourth proportional to 445,161.50, 667,736.43 and 108,201.18 is: 162,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,161.50 : 667,736.43 = 108,201.18 : x
  2. Step 2: Convert to fraction form
    445,161.50/667,736.43 = 108,201.18/x
  3. Step 3: Cross multiply
    445,161.50x = 667,736.43 × 108,201.18
  4. Step 4: Simplify right side
    445,161.50x = 72,249,869,849.18
  5. Step 5: Solve for x
    x = 72,249,869,849.18/445,161.50
  6. Step 6: Final answer
    x = 162,300.36

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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.