Home / 263,840.66-395,756.78-83,923.48

Finding the Fourth Proportional to 263,840.66, 395,756.78 and 83,923.48

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Solution

The fourth proportional to 263,840.66, 395,756.78 and 83,923.48 is: 125,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,840.66 : 395,756.78 = 83,923.48 : x
  2. Step 2: Convert to fraction form
    263,840.66/395,756.78 = 83,923.48/x
  3. Step 3: Cross multiply
    263,840.66x = 395,756.78 × 83,923.48
  4. Step 4: Simplify right side
    263,840.66x = 33,213,286,211.19
  5. Step 5: Solve for x
    x = 33,213,286,211.19/263,840.66
  6. Step 6: Final answer
    x = 125,883.88

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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.