Home / 204,788.86-307,321.63-71,670.29

Finding the Fourth Proportional to 204,788.86, 307,321.63 and 71,670.29

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Solution

The fourth proportional to 204,788.86, 307,321.63 and 71,670.29 is: 107,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,788.86 : 307,321.63 = 71,670.29 : x
  2. Step 2: Convert to fraction form
    204,788.86/307,321.63 = 71,670.29/x
  3. Step 3: Cross multiply
    204,788.86x = 307,321.63 × 71,670.29
  4. Step 4: Simplify right side
    204,788.86x = 22,025,828,629.59
  5. Step 5: Solve for x
    x = 22,025,828,629.59/204,788.86
  6. Step 6: Final answer
    x = 107,553.84

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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.