Home / 275,213.04-412,819.92-75,536.16

Finding the Fourth Proportional to 275,213.04, 412,819.92 and 75,536.16

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Solution

The fourth proportional to 275,213.04, 412,819.92 and 75,536.16 is: 113,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,213.04 : 412,819.92 = 75,536.16 : x
  2. Step 2: Convert to fraction form
    275,213.04/412,819.92 = 75,536.16/x
  3. Step 3: Cross multiply
    275,213.04x = 412,819.92 × 75,536.16
  4. Step 4: Simplify right side
    275,213.04x = 31,182,831,528.31
  5. Step 5: Solve for x
    x = 31,182,831,528.31/275,213.04
  6. Step 6: Final answer
    x = 113,304.34

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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.