Home / 162,249.24-223,881.78-90,620.16

Finding the Fourth Proportional to 162,249.24, 223,881.78 and 90,620.16

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Solution

The fourth proportional to 162,249.24, 223,881.78 and 90,620.16 is: 125,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,249.24 : 223,881.78 = 90,620.16 : x
  2. Step 2: Convert to fraction form
    162,249.24/223,881.78 = 90,620.16/x
  3. Step 3: Cross multiply
    162,249.24x = 223,881.78 × 90,620.16
  4. Step 4: Simplify right side
    162,249.24x = 20,288,202,724.68
  5. Step 5: Solve for x
    x = 20,288,202,724.68/162,249.24
  6. Step 6: Final answer
    x = 125,043.44

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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.