Home / 212,906.61-293,801.23-122,198.73

Finding the Fourth Proportional to 212,906.61, 293,801.23 and 122,198.73

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Solution

The fourth proportional to 212,906.61, 293,801.23 and 122,198.73 is: 168,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,906.61 : 293,801.23 = 122,198.73 : x
  2. Step 2: Convert to fraction form
    212,906.61/293,801.23 = 122,198.73/x
  3. Step 3: Cross multiply
    212,906.61x = 293,801.23 × 122,198.73
  4. Step 4: Simplify right side
    212,906.61x = 35,902,137,178.44
  5. Step 5: Solve for x
    x = 35,902,137,178.44/212,906.61
  6. Step 6: Final answer
    x = 168,628.57

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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.