Home / 349,120.98-481,787.39-198,217.98

Finding the Fourth Proportional to 349,120.98, 481,787.39 and 198,217.98

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Solution

The fourth proportional to 349,120.98, 481,787.39 and 198,217.98 is: 273,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,120.98 : 481,787.39 = 198,217.98 : x
  2. Step 2: Convert to fraction form
    349,120.98/481,787.39 = 198,217.98/x
  3. Step 3: Cross multiply
    349,120.98x = 481,787.39 × 198,217.98
  4. Step 4: Simplify right side
    349,120.98x = 95,498,923,730.82
  5. Step 5: Solve for x
    x = 95,498,923,730.82/349,120.98
  6. Step 6: Final answer
    x = 273,541.06

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1.5x scale

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.