Home / 307,929.90-461,844.53-108,203.54

Finding the Fourth Proportional to 307,929.90, 461,844.53 and 108,203.54

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Solution

The fourth proportional to 307,929.90, 461,844.53 and 108,203.54 is: 162,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,929.90 : 461,844.53 = 108,203.54 : x
  2. Step 2: Convert to fraction form
    307,929.90/461,844.53 = 108,203.54/x
  3. Step 3: Cross multiply
    307,929.90x = 461,844.53 × 108,203.54
  4. Step 4: Simplify right side
    307,929.90x = 49,973,212,534.62
  5. Step 5: Solve for x
    x = 49,973,212,534.62/307,929.90
  6. Step 6: Final answer
    x = 162,287.63

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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.