Home / 267,878.58-401,771.62-75,766.43

Finding the Fourth Proportional to 267,878.58, 401,771.62 and 75,766.43

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Solution

The fourth proportional to 267,878.58, 401,771.62 and 75,766.43 is: 113,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,878.58 : 401,771.62 = 75,766.43 : x
  2. Step 2: Convert to fraction form
    267,878.58/401,771.62 = 75,766.43/x
  3. Step 3: Cross multiply
    267,878.58x = 401,771.62 × 75,766.43
  4. Step 4: Simplify right side
    267,878.58x = 30,440,801,322.72
  5. Step 5: Solve for x
    x = 30,440,801,322.72/267,878.58
  6. Step 6: Final answer
    x = 113,636.56

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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.