Home / 320,785.92-481,150.80-96,196.50

Finding the Fourth Proportional to 320,785.92, 481,150.80 and 96,196.50

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Solution

The fourth proportional to 320,785.92, 481,150.80 and 96,196.50 is: 144,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,785.92 : 481,150.80 = 96,196.50 : x
  2. Step 2: Convert to fraction form
    320,785.92/481,150.80 = 96,196.50/x
  3. Step 3: Cross multiply
    320,785.92x = 481,150.80 × 96,196.50
  4. Step 4: Simplify right side
    320,785.92x = 46,285,022,932.20
  5. Step 5: Solve for x
    x = 46,285,022,932.20/320,785.92
  6. Step 6: Final answer
    x = 144,286.33

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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.