Home / 188,523.43-282,785.20-55,403.69

Finding the Fourth Proportional to 188,523.43, 282,785.20 and 55,403.69

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Solution

The fourth proportional to 188,523.43, 282,785.20 and 55,403.69 is: 83,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,523.43 : 282,785.20 = 55,403.69 : x
  2. Step 2: Convert to fraction form
    188,523.43/282,785.20 = 55,403.69/x
  3. Step 3: Cross multiply
    188,523.43x = 282,785.20 × 55,403.69
  4. Step 4: Simplify right side
    188,523.43x = 15,667,342,004.95
  5. Step 5: Solve for x
    x = 15,667,342,004.95/188,523.43
  6. Step 6: Final answer
    x = 83,105.54

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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.