Home / 265,839.94-398,415.46-107,982.28

Finding the Fourth Proportional to 265,839.94, 398,415.46 and 107,982.28

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Solution

The fourth proportional to 265,839.94, 398,415.46 and 107,982.28 is: 161,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,839.94 : 398,415.46 = 107,982.28 : x
  2. Step 2: Convert to fraction form
    265,839.94/398,415.46 = 107,982.28/x
  3. Step 3: Cross multiply
    265,839.94x = 398,415.46 × 107,982.28
  4. Step 4: Simplify right side
    265,839.94x = 43,021,809,758.05
  5. Step 5: Solve for x
    x = 43,021,809,758.05/265,839.94
  6. Step 6: Final answer
    x = 161,833.51

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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.