Home / 223,441.86-335,057.22-81,187.98

Finding the Fourth Proportional to 223,441.86, 335,057.22 and 81,187.98

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Solution

The fourth proportional to 223,441.86, 335,057.22 and 81,187.98 is: 121,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,441.86 : 335,057.22 = 81,187.98 : x
  2. Step 2: Convert to fraction form
    223,441.86/335,057.22 = 81,187.98/x
  3. Step 3: Cross multiply
    223,441.86x = 335,057.22 × 81,187.98
  4. Step 4: Simplify right side
    223,441.86x = 27,202,618,876.22
  5. Step 5: Solve for x
    x = 27,202,618,876.22/223,441.86
  6. Step 6: Final answer
    x = 121,743.61

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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.