Home / 268,131.06-402,196.46-68,451.38

Finding the Fourth Proportional to 268,131.06, 402,196.46 and 68,451.38

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Solution

The fourth proportional to 268,131.06, 402,196.46 and 68,451.38 is: 102,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,131.06 : 402,196.46 = 68,451.38 : x
  2. Step 2: Convert to fraction form
    268,131.06/402,196.46 = 68,451.38/x
  3. Step 3: Cross multiply
    268,131.06x = 402,196.46 × 68,451.38
  4. Step 4: Simplify right side
    268,131.06x = 27,530,902,718.11
  5. Step 5: Solve for x
    x = 27,530,902,718.11/268,131.06
  6. Step 6: Final answer
    x = 102,677.04

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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.