Home / 307,744.12-462,428.01-165,694.42

Finding the Fourth Proportional to 307,744.12, 462,428.01 and 165,694.42

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Solution

The fourth proportional to 307,744.12, 462,428.01 and 165,694.42 is: 248,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,744.12 : 462,428.01 = 165,694.42 : x
  2. Step 2: Convert to fraction form
    307,744.12/462,428.01 = 165,694.42/x
  3. Step 3: Cross multiply
    307,744.12x = 462,428.01 × 165,694.42
  4. Step 4: Simplify right side
    307,744.12x = 76,621,740,908.70
  5. Step 5: Solve for x
    x = 76,621,740,908.70/307,744.12
  6. Step 6: Final answer
    x = 248,978.73

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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.