Home / 139,716.10-192,803.30-76,052.53

Finding the Fourth Proportional to 139,716.10, 192,803.30 and 76,052.53

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Solution

The fourth proportional to 139,716.10, 192,803.30 and 76,052.53 is: 104,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,716.10 : 192,803.30 = 76,052.53 : x
  2. Step 2: Convert to fraction form
    139,716.10/192,803.30 = 76,052.53/x
  3. Step 3: Cross multiply
    139,716.10x = 192,803.30 × 76,052.53
  4. Step 4: Simplify right side
    139,716.10x = 14,663,177,793.33
  5. Step 5: Solve for x
    x = 14,663,177,793.33/139,716.10
  6. Step 6: Final answer
    x = 104,949.81

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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.