Home / 325,672.59-489,257.33-231,137.49

Finding the Fourth Proportional to 325,672.59, 489,257.33 and 231,137.49

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Solution

The fourth proportional to 325,672.59, 489,257.33 and 231,137.49 is: 347,237.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,672.59 : 489,257.33 = 231,137.49 : x
  2. Step 2: Convert to fraction form
    325,672.59/489,257.33 = 231,137.49/x
  3. Step 3: Cross multiply
    325,672.59x = 489,257.33 × 231,137.49
  4. Step 4: Simplify right side
    325,672.59x = 113,085,710,064.61
  5. Step 5: Solve for x
    x = 113,085,710,064.61/325,672.59
  6. Step 6: Final answer
    x = 347,237.42

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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.