Home / 285,965.43-394,310.19-234,121.38

Finding the Fourth Proportional to 285,965.43, 394,310.19 and 234,121.38

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Solution

The fourth proportional to 285,965.43, 394,310.19 and 234,121.38 is: 322,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,965.43 : 394,310.19 = 234,121.38 : x
  2. Step 2: Convert to fraction form
    285,965.43/394,310.19 = 234,121.38/x
  3. Step 3: Cross multiply
    285,965.43x = 394,310.19 × 234,121.38
  4. Step 4: Simplify right side
    285,965.43x = 92,316,445,830.86
  5. Step 5: Solve for x
    x = 92,316,445,830.86/285,965.43
  6. Step 6: Final answer
    x = 322,823.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.