Home / 135,470.36-203,131.46-107,569.64

Finding the Fourth Proportional to 135,470.36, 203,131.46 and 107,569.64

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Solution

The fourth proportional to 135,470.36, 203,131.46 and 107,569.64 is: 161,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,470.36 : 203,131.46 = 107,569.64 : x
  2. Step 2: Convert to fraction form
    135,470.36/203,131.46 = 107,569.64/x
  3. Step 3: Cross multiply
    135,470.36x = 203,131.46 × 107,569.64
  4. Step 4: Simplify right side
    135,470.36x = 21,850,777,278.14
  5. Step 5: Solve for x
    x = 21,850,777,278.14/135,470.36
  6. Step 6: Final answer
    x = 161,295.64

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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.