Home / 171,170.14-256,778.56-71,306.96

Finding the Fourth Proportional to 171,170.14, 256,778.56 and 71,306.96

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Solution

The fourth proportional to 171,170.14, 256,778.56 and 71,306.96 is: 106,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,170.14 : 256,778.56 = 71,306.96 : x
  2. Step 2: Convert to fraction form
    171,170.14/256,778.56 = 71,306.96/x
  3. Step 3: Cross multiply
    171,170.14x = 256,778.56 × 71,306.96
  4. Step 4: Simplify right side
    171,170.14x = 18,310,097,633.11
  5. Step 5: Solve for x
    x = 18,310,097,633.11/171,170.14
  6. Step 6: Final answer
    x = 106,970.16

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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.