Home / 171,845.20-257,832.60-83,177.20

Finding the Fourth Proportional to 171,845.20, 257,832.60 and 83,177.20

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Solution

The fourth proportional to 171,845.20, 257,832.60 and 83,177.20 is: 124,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,845.20 : 257,832.60 = 83,177.20 : x
  2. Step 2: Convert to fraction form
    171,845.20/257,832.60 = 83,177.20/x
  3. Step 3: Cross multiply
    171,845.20x = 257,832.60 × 83,177.20
  4. Step 4: Simplify right side
    171,845.20x = 21,445,793,736.72
  5. Step 5: Solve for x
    x = 21,445,793,736.72/171,845.20
  6. Step 6: Final answer
    x = 124,797.16

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1.5x scale

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.