Home / 168,258.60-252,138.56-68,297.16

Finding the Fourth Proportional to 168,258.60, 252,138.56 and 68,297.16

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Solution

The fourth proportional to 168,258.60, 252,138.56 and 68,297.16 is: 102,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,258.60 : 252,138.56 = 68,297.16 : x
  2. Step 2: Convert to fraction form
    168,258.60/252,138.56 = 68,297.16/x
  3. Step 3: Cross multiply
    168,258.60x = 252,138.56 × 68,297.16
  4. Step 4: Simplify right side
    168,258.60x = 17,220,347,574.49
  5. Step 5: Solve for x
    x = 17,220,347,574.49/168,258.60
  6. Step 6: Final answer
    x = 102,344.53

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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.