Home / 202,382.15-303,517.78-76,012.62

Finding the Fourth Proportional to 202,382.15, 303,517.78 and 76,012.62

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Solution

The fourth proportional to 202,382.15, 303,517.78 and 76,012.62 is: 113,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,382.15 : 303,517.78 = 76,012.62 : x
  2. Step 2: Convert to fraction form
    202,382.15/303,517.78 = 76,012.62/x
  3. Step 3: Cross multiply
    202,382.15x = 303,517.78 × 76,012.62
  4. Step 4: Simplify right side
    202,382.15x = 23,071,181,674.38
  5. Step 5: Solve for x
    x = 23,071,181,674.38/202,382.15
  6. Step 6: Final answer
    x = 113,998.11

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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.