Home / 481,979.14-665,131.20-267,151.48

Finding the Fourth Proportional to 481,979.14, 665,131.20 and 267,151.48

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Solution

The fourth proportional to 481,979.14, 665,131.20 and 267,151.48 is: 368,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,979.14 : 665,131.20 = 267,151.48 : x
  2. Step 2: Convert to fraction form
    481,979.14/665,131.20 = 267,151.48/x
  3. Step 3: Cross multiply
    481,979.14x = 665,131.20 × 267,151.48
  4. Step 4: Simplify right side
    481,979.14x = 177,690,784,474.18
  5. Step 5: Solve for x
    x = 177,690,784,474.18/481,979.14
  6. Step 6: Final answer
    x = 368,669.04

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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.