Home / 157,391.93-236,121.64-50,781.96

Finding the Fourth Proportional to 157,391.93, 236,121.64 and 50,781.96

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Solution

The fourth proportional to 157,391.93, 236,121.64 and 50,781.96 is: 76,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,391.93 : 236,121.64 = 50,781.96 : x
  2. Step 2: Convert to fraction form
    157,391.93/236,121.64 = 50,781.96/x
  3. Step 3: Cross multiply
    157,391.93x = 236,121.64 × 50,781.96
  4. Step 4: Simplify right side
    157,391.93x = 11,990,719,550.66
  5. Step 5: Solve for x
    x = 11,990,719,550.66/157,391.93
  6. Step 6: Final answer
    x = 76,183.83

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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.