Home / 321,140.73-481,594.77-107,844.83

Finding the Fourth Proportional to 321,140.73, 481,594.77 and 107,844.83

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Solution

The fourth proportional to 321,140.73, 481,594.77 and 107,844.83 is: 161,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,140.73 : 481,594.77 = 107,844.83 : x
  2. Step 2: Convert to fraction form
    321,140.73/481,594.77 = 107,844.83/x
  3. Step 3: Cross multiply
    321,140.73x = 481,594.77 × 107,844.83
  4. Step 4: Simplify right side
    321,140.73x = 51,937,506,099.54
  5. Step 5: Solve for x
    x = 51,937,506,099.54/321,140.73
  6. Step 6: Final answer
    x = 161,728.18

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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.