Home / 267,579.12-400,581.35-178,611.96

Finding the Fourth Proportional to 267,579.12, 400,581.35 and 178,611.96

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Solution

The fourth proportional to 267,579.12, 400,581.35 and 178,611.96 is: 267,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,579.12 : 400,581.35 = 178,611.96 : x
  2. Step 2: Convert to fraction form
    267,579.12/400,581.35 = 178,611.96/x
  3. Step 3: Cross multiply
    267,579.12x = 400,581.35 × 178,611.96
  4. Step 4: Simplify right side
    267,579.12x = 71,548,619,169.89
  5. Step 5: Solve for x
    x = 71,548,619,169.89/267,579.12
  6. Step 6: Final answer
    x = 267,392.39

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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.