Home / 320,991.18-481,485.61-96,350.64

Finding the Fourth Proportional to 320,991.18, 481,485.61 and 96,350.64

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Solution

The fourth proportional to 320,991.18, 481,485.61 and 96,350.64 is: 144,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,991.18 : 481,485.61 = 96,350.64 : x
  2. Step 2: Convert to fraction form
    320,991.18/481,485.61 = 96,350.64/x
  3. Step 3: Cross multiply
    320,991.18x = 481,485.61 × 96,350.64
  4. Step 4: Simplify right side
    320,991.18x = 46,391,446,674.29
  5. Step 5: Solve for x
    x = 46,391,446,674.29/320,991.18
  6. Step 6: Final answer
    x = 144,525.61

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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.