Home / 230,723.72-345,814.20-104,216.28

Finding the Fourth Proportional to 230,723.72, 345,814.20 and 104,216.28

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Solution

The fourth proportional to 230,723.72, 345,814.20 and 104,216.28 is: 156,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,723.72 : 345,814.20 = 104,216.28 : x
  2. Step 2: Convert to fraction form
    230,723.72/345,814.20 = 104,216.28/x
  3. Step 3: Cross multiply
    230,723.72x = 345,814.20 × 104,216.28
  4. Step 4: Simplify right side
    230,723.72x = 36,039,469,495.18
  5. Step 5: Solve for x
    x = 36,039,469,495.18/230,723.72
  6. Step 6: Final answer
    x = 156,201.84

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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.