Home / 131,060.24-196,665.03-51,087.80

Finding the Fourth Proportional to 131,060.24, 196,665.03 and 51,087.80

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Solution

The fourth proportional to 131,060.24, 196,665.03 and 51,087.80 is: 76,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,060.24 : 196,665.03 = 51,087.80 : x
  2. Step 2: Convert to fraction form
    131,060.24/196,665.03 = 51,087.80/x
  3. Step 3: Cross multiply
    131,060.24x = 196,665.03 × 51,087.80
  4. Step 4: Simplify right side
    131,060.24x = 10,047,183,464.20
  5. Step 5: Solve for x
    x = 10,047,183,464.20/131,060.24
  6. Step 6: Final answer
    x = 76,660.80

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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.