Home / 165,643.94-248,257.46-89,739.56

Finding the Fourth Proportional to 165,643.94, 248,257.46 and 89,739.56

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Solution

The fourth proportional to 165,643.94, 248,257.46 and 89,739.56 is: 134,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,643.94 : 248,257.46 = 89,739.56 : x
  2. Step 2: Convert to fraction form
    165,643.94/248,257.46 = 89,739.56/x
  3. Step 3: Cross multiply
    165,643.94x = 248,257.46 × 89,739.56
  4. Step 4: Simplify right side
    165,643.94x = 22,278,515,227.12
  5. Step 5: Solve for x
    x = 22,278,515,227.12/165,643.94
  6. Step 6: Final answer
    x = 134,496.41

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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.