Home / 267,818.04-401,729.42-68,138.60

Finding the Fourth Proportional to 267,818.04, 401,729.42 and 68,138.60

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Solution

The fourth proportional to 267,818.04, 401,729.42 and 68,138.60 is: 102,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,818.04 : 401,729.42 = 68,138.60 : x
  2. Step 2: Convert to fraction form
    267,818.04/401,729.42 = 68,138.60/x
  3. Step 3: Cross multiply
    267,818.04x = 401,729.42 × 68,138.60
  4. Step 4: Simplify right side
    267,818.04x = 27,373,280,257.61
  5. Step 5: Solve for x
    x = 27,373,280,257.61/267,818.04
  6. Step 6: Final answer
    x = 102,208.50

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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.