Home / 445,180.94-667,766.48-108,221.91

Finding the Fourth Proportional to 445,180.94, 667,766.48 and 108,221.91

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Solution

The fourth proportional to 445,180.94, 667,766.48 and 108,221.91 is: 162,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,180.94 : 667,766.48 = 108,221.91 : x
  2. Step 2: Convert to fraction form
    445,180.94/667,766.48 = 108,221.91/x
  3. Step 3: Cross multiply
    445,180.94x = 667,766.48 × 108,221.91
  4. Step 4: Simplify right side
    445,180.94x = 72,266,963,899.58
  5. Step 5: Solve for x
    x = 72,266,963,899.58/445,180.94
  6. Step 6: Final answer
    x = 162,331.67

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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.