Home / 129,662.19-194,580.77-50,766.57

Finding the Fourth Proportional to 129,662.19, 194,580.77 and 50,766.57

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Solution

The fourth proportional to 129,662.19, 194,580.77 and 50,766.57 is: 76,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,662.19 : 194,580.77 = 50,766.57 : x
  2. Step 2: Convert to fraction form
    129,662.19/194,580.77 = 50,766.57/x
  3. Step 3: Cross multiply
    129,662.19x = 194,580.77 × 50,766.57
  4. Step 4: Simplify right side
    129,662.19x = 9,878,198,027.03
  5. Step 5: Solve for x
    x = 9,878,198,027.03/129,662.19
  6. Step 6: Final answer
    x = 76,184.11

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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.