Home / 267,768.04-401,371.80-90,213.68

Finding the Fourth Proportional to 267,768.04, 401,371.80 and 90,213.68

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Solution

The fourth proportional to 267,768.04, 401,371.80 and 90,213.68 is: 135,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,768.04 : 401,371.80 = 90,213.68 : x
  2. Step 2: Convert to fraction form
    267,768.04/401,371.80 = 90,213.68/x
  3. Step 3: Cross multiply
    267,768.04x = 401,371.80 × 90,213.68
  4. Step 4: Simplify right side
    267,768.04x = 36,209,227,126.22
  5. Step 5: Solve for x
    x = 36,209,227,126.22/267,768.04
  6. Step 6: Final answer
    x = 135,226.10

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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.