Home / 204,809.31-307,353.29-125,682.03

Finding the Fourth Proportional to 204,809.31, 307,353.29 and 125,682.03

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Solution

The fourth proportional to 204,809.31, 307,353.29 and 125,682.03 is: 188,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,809.31 : 307,353.29 = 125,682.03 : x
  2. Step 2: Convert to fraction form
    204,809.31/307,353.29 = 125,682.03/x
  3. Step 3: Cross multiply
    204,809.31x = 307,353.29 × 125,682.03
  4. Step 4: Simplify right side
    204,809.31x = 38,628,784,785.97
  5. Step 5: Solve for x
    x = 38,628,784,785.97/204,809.31
  6. Step 6: Final answer
    x = 188,608.54

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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.