Home / 325,619.40-449,410.41-189,733.92

Finding the Fourth Proportional to 325,619.40, 449,410.41 and 189,733.92

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Solution

The fourth proportional to 325,619.40, 449,410.41 and 189,733.92 is: 261,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,619.40 : 449,410.41 = 189,733.92 : x
  2. Step 2: Convert to fraction form
    325,619.40/449,410.41 = 189,733.92/x
  3. Step 3: Cross multiply
    325,619.40x = 449,410.41 × 189,733.92
  4. Step 4: Simplify right side
    325,619.40x = 85,268,398,778.11
  5. Step 5: Solve for x
    x = 85,268,398,778.11/325,619.40
  6. Step 6: Final answer
    x = 261,865.23

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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.