Home / 205,183.41-308,115.53-126,795.87

Finding the Fourth Proportional to 205,183.41, 308,115.53 and 126,795.87

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Solution

The fourth proportional to 205,183.41, 308,115.53 and 126,795.87 is: 190,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,183.41 : 308,115.53 = 126,795.87 : x
  2. Step 2: Convert to fraction form
    205,183.41/308,115.53 = 126,795.87/x
  3. Step 3: Cross multiply
    205,183.41x = 308,115.53 × 126,795.87
  4. Step 4: Simplify right side
    205,183.41x = 39,067,776,052.88
  5. Step 5: Solve for x
    x = 39,067,776,052.88/205,183.41
  6. Step 6: Final answer
    x = 190,404.17

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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.