Home / 267,889.23-401,554.38-90,335.19

Finding the Fourth Proportional to 267,889.23, 401,554.38 and 90,335.19

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Solution

The fourth proportional to 267,889.23, 401,554.38 and 90,335.19 is: 135,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,889.23 : 401,554.38 = 90,335.19 : x
  2. Step 2: Convert to fraction form
    267,889.23/401,554.38 = 90,335.19/x
  3. Step 3: Cross multiply
    267,889.23x = 401,554.38 × 90,335.19
  4. Step 4: Simplify right side
    267,889.23x = 36,274,491,212.63
  5. Step 5: Solve for x
    x = 36,274,491,212.63/267,889.23
  6. Step 6: Final answer
    x = 135,408.55

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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.