Home / 348,515.31-481,222.04-267,815.55

Finding the Fourth Proportional to 348,515.31, 481,222.04 and 267,815.55

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Solution

The fourth proportional to 348,515.31, 481,222.04 and 267,815.55 is: 369,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,515.31 : 481,222.04 = 267,815.55 : x
  2. Step 2: Convert to fraction form
    348,515.31/481,222.04 = 267,815.55/x
  3. Step 3: Cross multiply
    348,515.31x = 481,222.04 × 267,815.55
  4. Step 4: Simplify right side
    348,515.31x = 128,878,743,975.64
  5. Step 5: Solve for x
    x = 128,878,743,975.64/348,515.31
  6. Step 6: Final answer
    x = 369,793.64

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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.