Home / 412,338.41-618,523.97-196,145.23

Finding the Fourth Proportional to 412,338.41, 618,523.97 and 196,145.23

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Solution

The fourth proportional to 412,338.41, 618,523.97 and 196,145.23 is: 294,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,338.41 : 618,523.97 = 196,145.23 : x
  2. Step 2: Convert to fraction form
    412,338.41/618,523.97 = 196,145.23/x
  3. Step 3: Cross multiply
    412,338.41x = 618,523.97 × 196,145.23
  4. Step 4: Simplify right side
    412,338.41x = 121,320,526,356.16
  5. Step 5: Solve for x
    x = 121,320,526,356.16/412,338.41
  6. Step 6: Final answer
    x = 294,225.62

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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.