Home / 223,429.86-335,039.22-81,175.97

Finding the Fourth Proportional to 223,429.86, 335,039.22 and 81,175.97

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Solution

The fourth proportional to 223,429.86, 335,039.22 and 81,175.97 is: 121,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,429.86 : 335,039.22 = 81,175.97 : x
  2. Step 2: Convert to fraction form
    223,429.86/335,039.22 = 81,175.97/x
  3. Step 3: Cross multiply
    223,429.86x = 335,039.22 × 81,175.97
  4. Step 4: Simplify right side
    223,429.86x = 27,197,134,509.14
  5. Step 5: Solve for x
    x = 27,197,134,509.14/223,429.86
  6. Step 6: Final answer
    x = 121,725.60

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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.