Home / 163,544.20-225,697.38-91,924

Finding the Fourth Proportional to 163,544.20, 225,697.38 and 91,924

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Solution

The fourth proportional to 163,544.20, 225,697.38 and 91,924 is: 126,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,544.20 : 225,697.38 = 91,924 : x
  2. Step 2: Convert to fraction form
    163,544.20/225,697.38 = 91,924/x
  3. Step 3: Cross multiply
    163,544.20x = 225,697.38 × 91,924
  4. Step 4: Simplify right side
    163,544.20x = 20,747,005,959.12
  5. Step 5: Solve for x
    x = 20,747,005,959.12/163,544.20
  6. Step 6: Final answer
    x = 126,858.71

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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.