Home / 481,181.61-664,028.18-266,321.12

Finding the Fourth Proportional to 481,181.61, 664,028.18 and 266,321.12

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Solution

The fourth proportional to 481,181.61, 664,028.18 and 266,321.12 is: 367,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,181.61 : 664,028.18 = 266,321.12 : x
  2. Step 2: Convert to fraction form
    481,181.61/664,028.18 = 266,321.12/x
  3. Step 3: Cross multiply
    481,181.61x = 664,028.18 × 266,321.12
  4. Step 4: Simplify right side
    481,181.61x = 176,844,724,956.12
  5. Step 5: Solve for x
    x = 176,844,724,956.12/481,181.61
  6. Step 6: Final answer
    x = 367,521.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.