Home / 268,946.22-403,422.57-91,456.86

Finding the Fourth Proportional to 268,946.22, 403,422.57 and 91,456.86

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Solution

The fourth proportional to 268,946.22, 403,422.57 and 91,456.86 is: 137,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,946.22 : 403,422.57 = 91,456.86 : x
  2. Step 2: Convert to fraction form
    268,946.22/403,422.57 = 91,456.86/x
  3. Step 3: Cross multiply
    268,946.22x = 403,422.57 × 91,456.86
  4. Step 4: Simplify right side
    268,946.22x = 36,895,761,505.33
  5. Step 5: Solve for x
    x = 36,895,761,505.33/268,946.22
  6. Step 6: Final answer
    x = 137,186.39

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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.