Home / 131,446.20-197,185.74-51,473.88

Finding the Fourth Proportional to 131,446.20, 197,185.74 and 51,473.88

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Solution

The fourth proportional to 131,446.20, 197,185.74 and 51,473.88 is: 77,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446.20 : 197,185.74 = 51,473.88 : x
  2. Step 2: Convert to fraction form
    131,446.20/197,185.74 = 51,473.88/x
  3. Step 3: Cross multiply
    131,446.20x = 197,185.74 × 51,473.88
  4. Step 4: Simplify right side
    131,446.20x = 10,149,915,118.47
  5. Step 5: Solve for x
    x = 10,149,915,118.47/131,446.20
  6. Step 6: Final answer
    x = 77,217.26

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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.