Home / 139,321.09-192,321.96-94,060.38

Finding the Fourth Proportional to 139,321.09, 192,321.96 and 94,060.38

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Solution

The fourth proportional to 139,321.09, 192,321.96 and 94,060.38 is: 129,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,321.09 : 192,321.96 = 94,060.38 : x
  2. Step 2: Convert to fraction form
    139,321.09/192,321.96 = 94,060.38/x
  3. Step 3: Cross multiply
    139,321.09x = 192,321.96 × 94,060.38
  4. Step 4: Simplify right side
    139,321.09x = 18,089,875,923.99
  5. Step 5: Solve for x
    x = 18,089,875,923.99/139,321.09
  6. Step 6: Final answer
    x = 129,843.06

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1.5x scale

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.