Home / 307,806.22-461,735.65-108,109.22

Finding the Fourth Proportional to 307,806.22, 461,735.65 and 108,109.22

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Solution

The fourth proportional to 307,806.22, 461,735.65 and 108,109.22 is: 162,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,806.22 : 461,735.65 = 108,109.22 : x
  2. Step 2: Convert to fraction form
    307,806.22/461,735.65 = 108,109.22/x
  3. Step 3: Cross multiply
    307,806.22x = 461,735.65 × 108,109.22
  4. Step 4: Simplify right side
    307,806.22x = 49,917,880,967.69
  5. Step 5: Solve for x
    x = 49,917,880,967.69/307,806.22
  6. Step 6: Final answer
    x = 162,173.07

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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.