Home / 110,716.20-166,074.30-102,162.60

Finding the Fourth Proportional to 110,716.20, 166,074.30 and 102,162.60

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Solution

The fourth proportional to 110,716.20, 166,074.30 and 102,162.60 is: 153,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,716.20 : 166,074.30 = 102,162.60 : x
  2. Step 2: Convert to fraction form
    110,716.20/166,074.30 = 102,162.60/x
  3. Step 3: Cross multiply
    110,716.20x = 166,074.30 × 102,162.60
  4. Step 4: Simplify right side
    110,716.20x = 16,966,582,281.18
  5. Step 5: Solve for x
    x = 16,966,582,281.18/110,716.20
  6. Step 6: Final answer
    x = 153,243.90

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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.