Home / 193,759.20-290,644.32-53,517.84

Finding the Fourth Proportional to 193,759.20, 290,644.32 and 53,517.84

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Solution

The fourth proportional to 193,759.20, 290,644.32 and 53,517.84 is: 80,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,759.20 : 290,644.32 = 53,517.84 : x
  2. Step 2: Convert to fraction form
    193,759.20/290,644.32 = 53,517.84/x
  3. Step 3: Cross multiply
    193,759.20x = 290,644.32 × 53,517.84
  4. Step 4: Simplify right side
    193,759.20x = 15,554,656,214.67
  5. Step 5: Solve for x
    x = 15,554,656,214.67/193,759.20
  6. Step 6: Final answer
    x = 80,278.28

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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.