Home / 171,091.32-256,456.56-71,150.92

Finding the Fourth Proportional to 171,091.32, 256,456.56 and 71,150.92

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Solution

The fourth proportional to 171,091.32, 256,456.56 and 71,150.92 is: 106,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,091.32 : 256,456.56 = 71,150.92 : x
  2. Step 2: Convert to fraction form
    171,091.32/256,456.56 = 71,150.92/x
  3. Step 3: Cross multiply
    171,091.32x = 256,456.56 × 71,150.92
  4. Step 4: Simplify right side
    171,091.32x = 18,247,120,184.04
  5. Step 5: Solve for x
    x = 18,247,120,184.04/171,091.32
  6. Step 6: Final answer
    x = 106,651.35

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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.