Home / 168,261.56-252,440.03-68,493.35

Finding the Fourth Proportional to 168,261.56, 252,440.03 and 68,493.35

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Solution

The fourth proportional to 168,261.56, 252,440.03 and 68,493.35 is: 102,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,261.56 : 252,440.03 = 68,493.35 : x
  2. Step 2: Convert to fraction form
    168,261.56/252,440.03 = 68,493.35/x
  3. Step 3: Cross multiply
    168,261.56x = 252,440.03 × 68,493.35
  4. Step 4: Simplify right side
    168,261.56x = 17,290,461,724.13
  5. Step 5: Solve for x
    x = 17,290,461,724.13/168,261.56
  6. Step 6: Final answer
    x = 102,759.43

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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.