Home / 267,629.10-401,103.45-109,679.10

Finding the Fourth Proportional to 267,629.10, 401,103.45 and 109,679.10

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Solution

The fourth proportional to 267,629.10, 401,103.45 and 109,679.10 is: 164,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,629.10 : 401,103.45 = 109,679.10 : x
  2. Step 2: Convert to fraction form
    267,629.10/401,103.45 = 109,679.10/x
  3. Step 3: Cross multiply
    267,629.10x = 401,103.45 × 109,679.10
  4. Step 4: Simplify right side
    267,629.10x = 43,992,665,402.90
  5. Step 5: Solve for x
    x = 43,992,665,402.90/267,629.10
  6. Step 6: Final answer
    x = 164,379.23

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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.