Home / 259,619.22-389,787.26-179,459.60

Finding the Fourth Proportional to 259,619.22, 389,787.26 and 179,459.60

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Solution

The fourth proportional to 259,619.22, 389,787.26 and 179,459.60 is: 269,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,619.22 : 389,787.26 = 179,459.60 : x
  2. Step 2: Convert to fraction form
    259,619.22/389,787.26 = 179,459.60/x
  3. Step 3: Cross multiply
    259,619.22x = 389,787.26 × 179,459.60
  4. Step 4: Simplify right side
    259,619.22x = 69,951,062,918.46
  5. Step 5: Solve for x
    x = 69,951,062,918.46/259,619.22
  6. Step 6: Final answer
    x = 269,437.15

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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.