Home / 255,906.05-353,147.91-141,185.61

Finding the Fourth Proportional to 255,906.05, 353,147.91 and 141,185.61

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Solution

The fourth proportional to 255,906.05, 353,147.91 and 141,185.61 is: 194,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,906.05 : 353,147.91 = 141,185.61 : x
  2. Step 2: Convert to fraction form
    255,906.05/353,147.91 = 141,185.61/x
  3. Step 3: Cross multiply
    255,906.05x = 353,147.91 × 141,185.61
  4. Step 4: Simplify right side
    255,906.05x = 49,859,403,623.48
  5. Step 5: Solve for x
    x = 49,859,403,623.48/255,906.05
  6. Step 6: Final answer
    x = 194,834.80

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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.