Home / 165,786.01-228,784.68-90,334.51

Finding the Fourth Proportional to 165,786.01, 228,784.68 and 90,334.51

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Solution

The fourth proportional to 165,786.01, 228,784.68 and 90,334.51 is: 124,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786.01 : 228,784.68 = 90,334.51 : x
  2. Step 2: Convert to fraction form
    165,786.01/228,784.68 = 90,334.51/x
  3. Step 3: Cross multiply
    165,786.01x = 228,784.68 × 90,334.51
  4. Step 4: Simplify right side
    165,786.01x = 20,667,151,391.35
  5. Step 5: Solve for x
    x = 20,667,151,391.35/165,786.01
  6. Step 6: Final answer
    x = 124,661.61

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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.