Home / 148,391.26-222,587.25-43,212.78

Finding the Fourth Proportional to 148,391.26, 222,587.25 and 43,212.78

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Solution

The fourth proportional to 148,391.26, 222,587.25 and 43,212.78 is: 64,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,391.26 : 222,587.25 = 43,212.78 : x
  2. Step 2: Convert to fraction form
    148,391.26/222,587.25 = 43,212.78/x
  3. Step 3: Cross multiply
    148,391.26x = 222,587.25 × 43,212.78
  4. Step 4: Simplify right side
    148,391.26x = 9,618,613,865.06
  5. Step 5: Solve for x
    x = 9,618,613,865.06/148,391.26
  6. Step 6: Final answer
    x = 64,819.27

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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.