Home / 129,179.21-193,768.77-35,684.96

Finding the Fourth Proportional to 129,179.21, 193,768.77 and 35,684.96

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Solution

The fourth proportional to 129,179.21, 193,768.77 and 35,684.96 is: 53,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,179.21 : 193,768.77 = 35,684.96 : x
  2. Step 2: Convert to fraction form
    129,179.21/193,768.77 = 35,684.96/x
  3. Step 3: Cross multiply
    129,179.21x = 193,768.77 × 35,684.96
  4. Step 4: Simplify right side
    129,179.21x = 6,914,630,806.70
  5. Step 5: Solve for x
    x = 6,914,630,806.70/129,179.21
  6. Step 6: Final answer
    x = 53,527.43

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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.