Home / 168,439.08-232,425-92,987.04

Finding the Fourth Proportional to 168,439.08, 232,425 and 92,987.04

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Solution

The fourth proportional to 168,439.08, 232,425 and 92,987.04 is: 128,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439.08 : 232,425 = 92,987.04 : x
  2. Step 2: Convert to fraction form
    168,439.08/232,425 = 92,987.04/x
  3. Step 3: Cross multiply
    168,439.08x = 232,425 × 92,987.04
  4. Step 4: Simplify right side
    168,439.08x = 21,612,512,772
  5. Step 5: Solve for x
    x = 21,612,512,772/168,439.08
  6. Step 6: Final answer
    x = 128,310.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.