Home / 129,685.37-194,545.08-50,789.35

Finding the Fourth Proportional to 129,685.37, 194,545.08 and 50,789.35

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Solution

The fourth proportional to 129,685.37, 194,545.08 and 50,789.35 is: 76,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,685.37 : 194,545.08 = 50,789.35 : x
  2. Step 2: Convert to fraction form
    129,685.37/194,545.08 = 50,789.35/x
  3. Step 3: Cross multiply
    129,685.37x = 194,545.08 × 50,789.35
  4. Step 4: Simplify right side
    129,685.37x = 9,880,817,672.54
  5. Step 5: Solve for x
    x = 9,880,817,672.54/129,685.37
  6. Step 6: Final answer
    x = 76,190.69

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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.