Home / 131,174.08-196,769.76-37,680.64

Finding the Fourth Proportional to 131,174.08, 196,769.76 and 37,680.64

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Solution

The fourth proportional to 131,174.08, 196,769.76 and 37,680.64 is: 56,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,174.08 : 196,769.76 = 37,680.64 : x
  2. Step 2: Convert to fraction form
    131,174.08/196,769.76 = 37,680.64/x
  3. Step 3: Cross multiply
    131,174.08x = 196,769.76 × 37,680.64
  4. Step 4: Simplify right side
    131,174.08x = 7,414,410,489.45
  5. Step 5: Solve for x
    x = 7,414,410,489.45/131,174.08
  6. Step 6: Final answer
    x = 56,523.44

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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.