Home / 136,738.43-205,097.92-36,904.31

Finding the Fourth Proportional to 136,738.43, 205,097.92 and 36,904.31

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Solution

The fourth proportional to 136,738.43, 205,097.92 and 36,904.31 is: 55,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,738.43 : 205,097.92 = 36,904.31 : x
  2. Step 2: Convert to fraction form
    136,738.43/205,097.92 = 36,904.31/x
  3. Step 3: Cross multiply
    136,738.43x = 205,097.92 × 36,904.31
  4. Step 4: Simplify right side
    136,738.43x = 7,568,996,102.28
  5. Step 5: Solve for x
    x = 7,568,996,102.28/136,738.43
  6. Step 6: Final answer
    x = 55,353.83

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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.