Home / 263,561.96-395,338.33-103,654.51

Finding the Fourth Proportional to 263,561.96, 395,338.33 and 103,654.51

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Solution

The fourth proportional to 263,561.96, 395,338.33 and 103,654.51 is: 155,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,561.96 : 395,338.33 = 103,654.51 : x
  2. Step 2: Convert to fraction form
    263,561.96/395,338.33 = 103,654.51/x
  3. Step 3: Cross multiply
    263,561.96x = 395,338.33 × 103,654.51
  4. Step 4: Simplify right side
    263,561.96x = 40,978,599,632.89
  5. Step 5: Solve for x
    x = 40,978,599,632.89/263,561.96
  6. Step 6: Final answer
    x = 155,479.95

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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.