Home / 170,147.52-255,231.78-51,827.56

Finding the Fourth Proportional to 170,147.52, 255,231.78 and 51,827.56

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Solution

The fourth proportional to 170,147.52, 255,231.78 and 51,827.56 is: 77,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,147.52 : 255,231.78 = 51,827.56 : x
  2. Step 2: Convert to fraction form
    170,147.52/255,231.78 = 51,827.56/x
  3. Step 3: Cross multiply
    170,147.52x = 255,231.78 × 51,827.56
  4. Step 4: Simplify right side
    170,147.52x = 13,228,040,391.86
  5. Step 5: Solve for x
    x = 13,228,040,391.86/170,147.52
  6. Step 6: Final answer
    x = 77,744.54

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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.