Home / 129,161.42-193,736.82-44,940.68

Finding the Fourth Proportional to 129,161.42, 193,736.82 and 44,940.68

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Solution

The fourth proportional to 129,161.42, 193,736.82 and 44,940.68 is: 67,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,161.42 : 193,736.82 = 44,940.68 : x
  2. Step 2: Convert to fraction form
    129,161.42/193,736.82 = 44,940.68/x
  3. Step 3: Cross multiply
    129,161.42x = 193,736.82 × 44,940.68
  4. Step 4: Simplify right side
    129,161.42x = 8,706,664,431.84
  5. Step 5: Solve for x
    x = 8,706,664,431.84/129,161.42
  6. Step 6: Final answer
    x = 67,409.17

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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.