Home / 131,921.46-197,771.22-43,126.56

Finding the Fourth Proportional to 131,921.46, 197,771.22 and 43,126.56

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Solution

The fourth proportional to 131,921.46, 197,771.22 and 43,126.56 is: 64,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,921.46 : 197,771.22 = 43,126.56 : x
  2. Step 2: Convert to fraction form
    131,921.46/197,771.22 = 43,126.56/x
  3. Step 3: Cross multiply
    131,921.46x = 197,771.22 × 43,126.56
  4. Step 4: Simplify right side
    131,921.46x = 8,529,192,385.60
  5. Step 5: Solve for x
    x = 8,529,192,385.60/131,921.46
  6. Step 6: Final answer
    x = 64,653.56

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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.