Home / 193,942.01-290,943.99-67,618.59

Finding the Fourth Proportional to 193,942.01, 290,943.99 and 67,618.59

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Solution

The fourth proportional to 193,942.01, 290,943.99 and 67,618.59 is: 101,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,942.01 : 290,943.99 = 67,618.59 : x
  2. Step 2: Convert to fraction form
    193,942.01/290,943.99 = 67,618.59/x
  3. Step 3: Cross multiply
    193,942.01x = 290,943.99 × 67,618.59
  4. Step 4: Simplify right side
    193,942.01x = 19,673,222,372.77
  5. Step 5: Solve for x
    x = 19,673,222,372.77/193,942.01
  6. Step 6: Final answer
    x = 101,438.69

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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.