Home / 131,247.06-196,896.57-48,141.78

Finding the Fourth Proportional to 131,247.06, 196,896.57 and 48,141.78

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Solution

The fourth proportional to 131,247.06, 196,896.57 and 48,141.78 is: 72,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,247.06 : 196,896.57 = 48,141.78 : x
  2. Step 2: Convert to fraction form
    131,247.06/196,896.57 = 48,141.78/x
  3. Step 3: Cross multiply
    131,247.06x = 196,896.57 × 48,141.78
  4. Step 4: Simplify right side
    131,247.06x = 9,478,951,355.69
  5. Step 5: Solve for x
    x = 9,478,951,355.69/131,247.06
  6. Step 6: Final answer
    x = 72,222.20

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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.