Home / 267,821.43-401,896.17-107,868.03

Finding the Fourth Proportional to 267,821.43, 401,896.17 and 107,868.03

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Solution

The fourth proportional to 267,821.43, 401,896.17 and 107,868.03 is: 161,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,821.43 : 401,896.17 = 107,868.03 : x
  2. Step 2: Convert to fraction form
    267,821.43/401,896.17 = 107,868.03/x
  3. Step 3: Cross multiply
    267,821.43x = 401,896.17 × 107,868.03
  4. Step 4: Simplify right side
    267,821.43x = 43,351,748,122.45
  5. Step 5: Solve for x
    x = 43,351,748,122.45/267,821.43
  6. Step 6: Final answer
    x = 161,868.11

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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.