Home / 204,537.12-306,879.60-71,436.96

Finding the Fourth Proportional to 204,537.12, 306,879.60 and 71,436.96

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Solution

The fourth proportional to 204,537.12, 306,879.60 and 71,436.96 is: 107,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,537.12 : 306,879.60 = 71,436.96 : x
  2. Step 2: Convert to fraction form
    204,537.12/306,879.60 = 71,436.96/x
  3. Step 3: Cross multiply
    204,537.12x = 306,879.60 × 71,436.96
  4. Step 4: Simplify right side
    204,537.12x = 21,922,545,710.02
  5. Step 5: Solve for x
    x = 21,922,545,710.02/204,537.12
  6. Step 6: Final answer
    x = 107,181.26

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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.