Home / 321,026.03-481,559.81-107,785.33

Finding the Fourth Proportional to 321,026.03, 481,559.81 and 107,785.33

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Solution

The fourth proportional to 321,026.03, 481,559.81 and 107,785.33 is: 161,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,026.03 : 481,559.81 = 107,785.33 : x
  2. Step 2: Convert to fraction form
    321,026.03/481,559.81 = 107,785.33/x
  3. Step 3: Cross multiply
    321,026.03x = 481,559.81 × 107,785.33
  4. Step 4: Simplify right side
    321,026.03x = 51,905,084,304.68
  5. Step 5: Solve for x
    x = 51,905,084,304.68/321,026.03
  6. Step 6: Final answer
    x = 161,684.97

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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.