Home / 230,974.20-346,428.90-73,218.60

Finding the Fourth Proportional to 230,974.20, 346,428.90 and 73,218.60

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Solution

The fourth proportional to 230,974.20, 346,428.90 and 73,218.60 is: 109,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,974.20 : 346,428.90 = 73,218.60 : x
  2. Step 2: Convert to fraction form
    230,974.20/346,428.90 = 73,218.60/x
  3. Step 3: Cross multiply
    230,974.20x = 346,428.90 × 73,218.60
  4. Step 4: Simplify right side
    230,974.20x = 25,365,039,057.54
  5. Step 5: Solve for x
    x = 25,365,039,057.54/230,974.20
  6. Step 6: Final answer
    x = 109,817.63

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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.