Home / 113,824.20-170,736.30-107,992.20

Finding the Fourth Proportional to 113,824.20, 170,736.30 and 107,992.20

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Solution

The fourth proportional to 113,824.20, 170,736.30 and 107,992.20 is: 161,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,824.20 : 170,736.30 = 107,992.20 : x
  2. Step 2: Convert to fraction form
    113,824.20/170,736.30 = 107,992.20/x
  3. Step 3: Cross multiply
    113,824.20x = 170,736.30 × 107,992.20
  4. Step 4: Simplify right side
    113,824.20x = 18,438,188,656.86
  5. Step 5: Solve for x
    x = 18,438,188,656.86/113,824.20
  6. Step 6: Final answer
    x = 161,988.30

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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.