Home / 307,786.56-462,491.68-165,736.86

Finding the Fourth Proportional to 307,786.56, 462,491.68 and 165,736.86

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Solution

The fourth proportional to 307,786.56, 462,491.68 and 165,736.86 is: 249,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,786.56 : 462,491.68 = 165,736.86 : x
  2. Step 2: Convert to fraction form
    307,786.56/462,491.68 = 165,736.86/x
  3. Step 3: Cross multiply
    307,786.56x = 462,491.68 × 165,736.86
  4. Step 4: Simplify right side
    307,786.56x = 76,651,918,819.32
  5. Step 5: Solve for x
    x = 76,651,918,819.32/307,786.56
  6. Step 6: Final answer
    x = 249,042.45

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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.