Home / 139,247.74-192,094.14-82,619.02

Finding the Fourth Proportional to 139,247.74, 192,094.14 and 82,619.02

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Solution

The fourth proportional to 139,247.74, 192,094.14 and 82,619.02 is: 113,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,247.74 : 192,094.14 = 82,619.02 : x
  2. Step 2: Convert to fraction form
    139,247.74/192,094.14 = 82,619.02/x
  3. Step 3: Cross multiply
    139,247.74x = 192,094.14 × 82,619.02
  4. Step 4: Simplify right side
    139,247.74x = 15,870,629,594.54
  5. Step 5: Solve for x
    x = 15,870,629,594.54/139,247.74
  6. Step 6: Final answer
    x = 113,974.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.