Home / 481,976.16-665,127.04-267,148.48

Finding the Fourth Proportional to 481,976.16, 665,127.04 and 267,148.48

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Solution

The fourth proportional to 481,976.16, 665,127.04 and 267,148.48 is: 368,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,976.16 : 665,127.04 = 267,148.48 : x
  2. Step 2: Convert to fraction form
    481,976.16/665,127.04 = 267,148.48/x
  3. Step 3: Cross multiply
    481,976.16x = 665,127.04 × 267,148.48
  4. Step 4: Simplify right side
    481,976.16x = 177,687,677,742.90
  5. Step 5: Solve for x
    x = 177,687,677,742.90/481,976.16
  6. Step 6: Final answer
    x = 368,664.87

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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.