Home / 129,188.35-193,786.31-35,694.19

Finding the Fourth Proportional to 129,188.35, 193,786.31 and 35,694.19

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Solution

The fourth proportional to 129,188.35, 193,786.31 and 35,694.19 is: 53,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,188.35 : 193,786.31 = 35,694.19 : x
  2. Step 2: Convert to fraction form
    129,188.35/193,786.31 = 35,694.19/x
  3. Step 3: Cross multiply
    129,188.35x = 193,786.31 × 35,694.19
  4. Step 4: Simplify right side
    129,188.35x = 6,917,045,368.54
  5. Step 5: Solve for x
    x = 6,917,045,368.54/129,188.35
  6. Step 6: Final answer
    x = 53,542.33

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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.