Home / 267,829.09-401,463.30-90,274.73

Finding the Fourth Proportional to 267,829.09, 401,463.30 and 90,274.73

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Solution

The fourth proportional to 267,829.09, 401,463.30 and 90,274.73 is: 135,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,829.09 : 401,463.30 = 90,274.73 : x
  2. Step 2: Convert to fraction form
    267,829.09/401,463.30 = 90,274.73/x
  3. Step 3: Cross multiply
    267,829.09x = 401,463.30 × 90,274.73
  4. Step 4: Simplify right side
    267,829.09x = 36,241,991,012.41
  5. Step 5: Solve for x
    x = 36,241,991,012.41/267,829.09
  6. Step 6: Final answer
    x = 135,317.61

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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.