Home / 263,698.40-395,516.18-68,938.76

Finding the Fourth Proportional to 263,698.40, 395,516.18 and 68,938.76

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Solution

The fourth proportional to 263,698.40, 395,516.18 and 68,938.76 is: 103,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,698.40 : 395,516.18 = 68,938.76 : x
  2. Step 2: Convert to fraction form
    263,698.40/395,516.18 = 68,938.76/x
  3. Step 3: Cross multiply
    263,698.40x = 395,516.18 × 68,938.76
  4. Step 4: Simplify right side
    263,698.40x = 27,266,396,170.27
  5. Step 5: Solve for x
    x = 27,266,396,170.27/263,698.40
  6. Step 6: Final answer
    x = 103,399.93

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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.