Home / 227,311.76-340,773.24-87,170.96

Finding the Fourth Proportional to 227,311.76, 340,773.24 and 87,170.96

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Solution

The fourth proportional to 227,311.76, 340,773.24 and 87,170.96 is: 130,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,311.76 : 340,773.24 = 87,170.96 : x
  2. Step 2: Convert to fraction form
    227,311.76/340,773.24 = 87,170.96/x
  3. Step 3: Cross multiply
    227,311.76x = 340,773.24 × 87,170.96
  4. Step 4: Simplify right side
    227,311.76x = 29,705,530,473.11
  5. Step 5: Solve for x
    x = 29,705,530,473.11/227,311.76
  6. Step 6: Final answer
    x = 130,681.89

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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.