Home / 445,179.06-667,763.67-108,220.04

Finding the Fourth Proportional to 445,179.06, 667,763.67 and 108,220.04

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Solution

The fourth proportional to 445,179.06, 667,763.67 and 108,220.04 is: 162,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,179.06 : 667,763.67 = 108,220.04 : x
  2. Step 2: Convert to fraction form
    445,179.06/667,763.67 = 108,220.04/x
  3. Step 3: Cross multiply
    445,179.06x = 667,763.67 × 108,220.04
  4. Step 4: Simplify right side
    445,179.06x = 72,265,411,077.95
  5. Step 5: Solve for x
    x = 72,265,411,077.95/445,179.06
  6. Step 6: Final answer
    x = 162,328.86

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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.