Home / 163,463.47-225,579.78-91,843.45

Finding the Fourth Proportional to 163,463.47, 225,579.78 and 91,843.45

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Solution

The fourth proportional to 163,463.47, 225,579.78 and 91,843.45 is: 126,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,463.47 : 225,579.78 = 91,843.45 : x
  2. Step 2: Convert to fraction form
    163,463.47/225,579.78 = 91,843.45/x
  3. Step 3: Cross multiply
    163,463.47x = 225,579.78 × 91,843.45
  4. Step 4: Simplify right side
    163,463.47x = 20,718,025,245.44
  5. Step 5: Solve for x
    x = 20,718,025,245.44/163,463.47
  6. Step 6: Final answer
    x = 126,744.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.