Home / 193,345.14-290,059.83-79,493.78

Finding the Fourth Proportional to 193,345.14, 290,059.83 and 79,493.78

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Solution

The fourth proportional to 193,345.14, 290,059.83 and 79,493.78 is: 119,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,345.14 : 290,059.83 = 79,493.78 : x
  2. Step 2: Convert to fraction form
    193,345.14/290,059.83 = 79,493.78/x
  3. Step 3: Cross multiply
    193,345.14x = 290,059.83 × 79,493.78
  4. Step 4: Simplify right side
    193,345.14x = 23,057,950,862.56
  5. Step 5: Solve for x
    x = 23,057,950,862.56/193,345.14
  6. Step 6: Final answer
    x = 119,257.98

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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.