Home / 325,464.96-449,185.92-196,409.76

Finding the Fourth Proportional to 325,464.96, 449,185.92 and 196,409.76

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Solution

The fourth proportional to 325,464.96, 449,185.92 and 196,409.76 is: 271,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,464.96 : 449,185.92 = 196,409.76 : x
  2. Step 2: Convert to fraction form
    325,464.96/449,185.92 = 196,409.76/x
  3. Step 3: Cross multiply
    325,464.96x = 449,185.92 × 196,409.76
  4. Step 4: Simplify right side
    325,464.96x = 88,224,498,742.58
  5. Step 5: Solve for x
    x = 88,224,498,742.58/325,464.96
  6. Step 6: Final answer
    x = 271,072.19

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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.