Home / 325,398.15-449,036.33-189,436.01

Finding the Fourth Proportional to 325,398.15, 449,036.33 and 189,436.01

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Solution

The fourth proportional to 325,398.15, 449,036.33 and 189,436.01 is: 261,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,398.15 : 449,036.33 = 189,436.01 : x
  2. Step 2: Convert to fraction form
    325,398.15/449,036.33 = 189,436.01/x
  3. Step 3: Cross multiply
    325,398.15x = 449,036.33 × 189,436.01
  4. Step 4: Simplify right side
    325,398.15x = 85,063,647,507.88
  5. Step 5: Solve for x
    x = 85,063,647,507.88/325,398.15
  6. Step 6: Final answer
    x = 261,414.05

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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.