Home / 129,845.22-194,650.28-50,938.26

Finding the Fourth Proportional to 129,845.22, 194,650.28 and 50,938.26

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Solution

The fourth proportional to 129,845.22, 194,650.28 and 50,938.26 is: 76,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,845.22 : 194,650.28 = 50,938.26 : x
  2. Step 2: Convert to fraction form
    129,845.22/194,650.28 = 50,938.26/x
  3. Step 3: Cross multiply
    129,845.22x = 194,650.28 × 50,938.26
  4. Step 4: Simplify right side
    129,845.22x = 9,915,146,571.71
  5. Step 5: Solve for x
    x = 9,915,146,571.71/129,845.22
  6. Step 6: Final answer
    x = 76,361.28

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1.5x scale

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.