Home / 325,417.55-449,121.06-196,362.68

Finding the Fourth Proportional to 325,417.55, 449,121.06 and 196,362.68

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Solution

The fourth proportional to 325,417.55, 449,121.06 and 196,362.68 is: 271,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,417.55 : 449,121.06 = 196,362.68 : x
  2. Step 2: Convert to fraction form
    325,417.55/449,121.06 = 196,362.68/x
  3. Step 3: Cross multiply
    325,417.55x = 449,121.06 × 196,362.68
  4. Step 4: Simplify right side
    325,417.55x = 88,190,612,740.44
  5. Step 5: Solve for x
    x = 88,190,612,740.44/325,417.55
  6. Step 6: Final answer
    x = 271,007.55

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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.