Home / 217,970.10-326,961.34-60,198.55

Finding the Fourth Proportional to 217,970.10, 326,961.34 and 60,198.55

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Solution

The fourth proportional to 217,970.10, 326,961.34 and 60,198.55 is: 90,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,970.10 : 326,961.34 = 60,198.55 : x
  2. Step 2: Convert to fraction form
    217,970.10/326,961.34 = 60,198.55/x
  3. Step 3: Cross multiply
    217,970.10x = 326,961.34 × 60,198.55
  4. Step 4: Simplify right side
    217,970.10x = 19,682,598,273.06
  5. Step 5: Solve for x
    x = 19,682,598,273.06/217,970.10
  6. Step 6: Final answer
    x = 90,299.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.