Home / 131,399.46-197,099.13-75,200.34

Finding the Fourth Proportional to 131,399.46, 197,099.13 and 75,200.34

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Solution

The fourth proportional to 131,399.46, 197,099.13 and 75,200.34 is: 112,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,399.46 : 197,099.13 = 75,200.34 : x
  2. Step 2: Convert to fraction form
    131,399.46/197,099.13 = 75,200.34/x
  3. Step 3: Cross multiply
    131,399.46x = 197,099.13 × 75,200.34
  4. Step 4: Simplify right side
    131,399.46x = 14,821,921,589.70
  5. Step 5: Solve for x
    x = 14,821,921,589.70/131,399.46
  6. Step 6: Final answer
    x = 112,800.48

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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.