Home / 163,947.23-226,249.85-91,350.21

Finding the Fourth Proportional to 163,947.23, 226,249.85 and 91,350.21

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Solution

The fourth proportional to 163,947.23, 226,249.85 and 91,350.21 is: 126,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,947.23 : 226,249.85 = 91,350.21 : x
  2. Step 2: Convert to fraction form
    163,947.23/226,249.85 = 91,350.21/x
  3. Step 3: Cross multiply
    163,947.23x = 226,249.85 × 91,350.21
  4. Step 4: Simplify right side
    163,947.23x = 20,667,970,853.22
  5. Step 5: Solve for x
    x = 20,667,970,853.22/163,947.23
  6. Step 6: Final answer
    x = 126,064.78

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1.5x scale

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.