Home / 193,961.81-290,942.73-53,720.44

Finding the Fourth Proportional to 193,961.81, 290,942.73 and 53,720.44

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Solution

The fourth proportional to 193,961.81, 290,942.73 and 53,720.44 is: 80,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,961.81 : 290,942.73 = 53,720.44 : x
  2. Step 2: Convert to fraction form
    193,961.81/290,942.73 = 53,720.44/x
  3. Step 3: Cross multiply
    193,961.81x = 290,942.73 × 53,720.44
  4. Step 4: Simplify right side
    193,961.81x = 15,629,570,743.04
  5. Step 5: Solve for x
    x = 15,629,570,743.04/193,961.81
  6. Step 6: Final answer
    x = 80,580.66

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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.