Home / 321,333.02-481,665.20-107,942.57

Finding the Fourth Proportional to 321,333.02, 481,665.20 and 107,942.57

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Solution

The fourth proportional to 321,333.02, 481,665.20 and 107,942.57 is: 161,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,333.02 : 481,665.20 = 107,942.57 : x
  2. Step 2: Convert to fraction form
    321,333.02/481,665.20 = 107,942.57/x
  3. Step 3: Cross multiply
    321,333.02x = 481,665.20 × 107,942.57
  4. Step 4: Simplify right side
    321,333.02x = 51,992,176,619.53
  5. Step 5: Solve for x
    x = 51,992,176,619.53/321,333.02
  6. Step 6: Final answer
    x = 161,801.54

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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.