Home / 131,380.62-181,305.24-70,951.27

Finding the Fourth Proportional to 131,380.62, 181,305.24 and 70,951.27

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Solution

The fourth proportional to 131,380.62, 181,305.24 and 70,951.27 is: 97,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,380.62 : 181,305.24 = 70,951.27 : x
  2. Step 2: Convert to fraction form
    131,380.62/181,305.24 = 70,951.27/x
  3. Step 3: Cross multiply
    131,380.62x = 181,305.24 × 70,951.27
  4. Step 4: Simplify right side
    131,380.62x = 12,863,837,035.65
  5. Step 5: Solve for x
    x = 12,863,837,035.65/131,380.62
  6. Step 6: Final answer
    x = 97,912.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.