Home / 320,540.46-480,842.73-110,150.70

Finding the Fourth Proportional to 320,540.46, 480,842.73 and 110,150.70

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Solution

The fourth proportional to 320,540.46, 480,842.73 and 110,150.70 is: 165,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,540.46 : 480,842.73 = 110,150.70 : x
  2. Step 2: Convert to fraction form
    320,540.46/480,842.73 = 110,150.70/x
  3. Step 3: Cross multiply
    320,540.46x = 480,842.73 × 110,150.70
  4. Step 4: Simplify right side
    320,540.46x = 52,965,163,299.41
  5. Step 5: Solve for x
    x = 52,965,163,299.41/320,540.46
  6. Step 6: Final answer
    x = 165,237.06

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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.