Home / 263,683.09-395,493.27-68,923.45

Finding the Fourth Proportional to 263,683.09, 395,493.27 and 68,923.45

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Solution

The fourth proportional to 263,683.09, 395,493.27 and 68,923.45 is: 103,376.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,683.09 : 395,493.27 = 68,923.45 : x
  2. Step 2: Convert to fraction form
    263,683.09/395,493.27 = 68,923.45/x
  3. Step 3: Cross multiply
    263,683.09x = 395,493.27 × 68,923.45
  4. Step 4: Simplify right side
    263,683.09x = 27,258,760,620.18
  5. Step 5: Solve for x
    x = 27,258,760,620.18/263,683.09
  6. Step 6: Final answer
    x = 103,376.98

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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.