Home / 129,898.50-194,853.42-41,158.55

Finding the Fourth Proportional to 129,898.50, 194,853.42 and 41,158.55

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Solution

The fourth proportional to 129,898.50, 194,853.42 and 41,158.55 is: 61,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,898.50 : 194,853.42 = 41,158.55 : x
  2. Step 2: Convert to fraction form
    129,898.50/194,853.42 = 41,158.55/x
  3. Step 3: Cross multiply
    129,898.50x = 194,853.42 × 41,158.55
  4. Step 4: Simplify right side
    129,898.50x = 8,019,883,255.47
  5. Step 5: Solve for x
    x = 8,019,883,255.47/129,898.50
  6. Step 6: Final answer
    x = 61,739.61

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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.