Home / 267,943.20-401,331.60-162,578.40

Finding the Fourth Proportional to 267,943.20, 401,331.60 and 162,578.40

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Solution

The fourth proportional to 267,943.20, 401,331.60 and 162,578.40 is: 243,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,943.20 : 401,331.60 = 162,578.40 : x
  2. Step 2: Convert to fraction form
    267,943.20/401,331.60 = 162,578.40/x
  3. Step 3: Cross multiply
    267,943.20x = 401,331.60 × 162,578.40
  4. Step 4: Simplify right side
    267,943.20x = 65,247,849,397.44
  5. Step 5: Solve for x
    x = 65,247,849,397.44/267,943.20
  6. Step 6: Final answer
    x = 243,513.73

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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.