Home / 139,321.07-192,321.94-94,060.36

Finding the Fourth Proportional to 139,321.07, 192,321.94 and 94,060.36

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Solution

The fourth proportional to 139,321.07, 192,321.94 and 94,060.36 is: 129,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,321.07 : 192,321.94 = 94,060.36 : x
  2. Step 2: Convert to fraction form
    139,321.07/192,321.94 = 94,060.36/x
  3. Step 3: Cross multiply
    139,321.07x = 192,321.94 × 94,060.36
  4. Step 4: Simplify right side
    139,321.07x = 18,089,870,442.00
  5. Step 5: Solve for x
    x = 18,089,870,442.00/139,321.07
  6. Step 6: Final answer
    x = 129,843.03

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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.