Home / 268,968.90-371,178.15-161,540.73

Finding the Fourth Proportional to 268,968.90, 371,178.15 and 161,540.73

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Solution

The fourth proportional to 268,968.90, 371,178.15 and 161,540.73 is: 222,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,968.90 : 371,178.15 = 161,540.73 : x
  2. Step 2: Convert to fraction form
    268,968.90/371,178.15 = 161,540.73/x
  3. Step 3: Cross multiply
    268,968.90x = 371,178.15 × 161,540.73
  4. Step 4: Simplify right side
    268,968.90x = 59,960,388,705.27
  5. Step 5: Solve for x
    x = 59,960,388,705.27/268,968.90
  6. Step 6: Final answer
    x = 222,926.84

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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.