Home / 396,109.08-594,121.50-111,792.60

Finding the Fourth Proportional to 396,109.08, 594,121.50 and 111,792.60

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Solution

The fourth proportional to 396,109.08, 594,121.50 and 111,792.60 is: 167,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,109.08 : 594,121.50 = 111,792.60 : x
  2. Step 2: Convert to fraction form
    396,109.08/594,121.50 = 111,792.60/x
  3. Step 3: Cross multiply
    396,109.08x = 594,121.50 × 111,792.60
  4. Step 4: Simplify right side
    396,109.08x = 66,418,387,200.90
  5. Step 5: Solve for x
    x = 66,418,387,200.90/396,109.08
  6. Step 6: Final answer
    x = 167,677.01

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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.