Home / 171,023.20-256,607.70-107,891.80

Finding the Fourth Proportional to 171,023.20, 256,607.70 and 107,891.80

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Solution

The fourth proportional to 171,023.20, 256,607.70 and 107,891.80 is: 161,883.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,023.20 : 256,607.70 = 107,891.80 : x
  2. Step 2: Convert to fraction form
    171,023.20/256,607.70 = 107,891.80/x
  3. Step 3: Cross multiply
    171,023.20x = 256,607.70 × 107,891.80
  4. Step 4: Simplify right side
    171,023.20x = 27,685,866,646.86
  5. Step 5: Solve for x
    x = 27,685,866,646.86/171,023.20
  6. Step 6: Final answer
    x = 161,883.69

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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.