Home / 168,392.72-252,370.38-68,436.60

Finding the Fourth Proportional to 168,392.72, 252,370.38 and 68,436.60

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Solution

The fourth proportional to 168,392.72, 252,370.38 and 68,436.60 is: 102,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,392.72 : 252,370.38 = 68,436.60 : x
  2. Step 2: Convert to fraction form
    168,392.72/252,370.38 = 68,436.60/x
  3. Step 3: Cross multiply
    168,392.72x = 252,370.38 × 68,436.60
  4. Step 4: Simplify right side
    168,392.72x = 17,271,370,058.16
  5. Step 5: Solve for x
    x = 17,271,370,058.16/168,392.72
  6. Step 6: Final answer
    x = 102,566.01

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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.