Home / 134,083.15-200,936.09-105,879.05

Finding the Fourth Proportional to 134,083.15, 200,936.09 and 105,879.05

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Solution

The fourth proportional to 134,083.15, 200,936.09 and 105,879.05 is: 158,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,083.15 : 200,936.09 = 105,879.05 : x
  2. Step 2: Convert to fraction form
    134,083.15/200,936.09 = 105,879.05/x
  3. Step 3: Cross multiply
    134,083.15x = 200,936.09 × 105,879.05
  4. Step 4: Simplify right side
    134,083.15x = 21,274,922,333.44
  5. Step 5: Solve for x
    x = 21,274,922,333.44/134,083.15
  6. Step 6: Final answer
    x = 158,669.62

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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.