Home / 285,512.33-394,433.61-187,627.07

Finding the Fourth Proportional to 285,512.33, 394,433.61 and 187,627.07

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Solution

The fourth proportional to 285,512.33, 394,433.61 and 187,627.07 is: 259,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,512.33 : 394,433.61 = 187,627.07 : x
  2. Step 2: Convert to fraction form
    285,512.33/394,433.61 = 187,627.07/x
  3. Step 3: Cross multiply
    285,512.33x = 394,433.61 × 187,627.07
  4. Step 4: Simplify right side
    285,512.33x = 74,006,422,553.82
  5. Step 5: Solve for x
    x = 74,006,422,553.82/285,512.33
  6. Step 6: Final answer
    x = 259,205.70

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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.