Home / 110,716.20-166,074.30-100,693.80

Finding the Fourth Proportional to 110,716.20, 166,074.30 and 100,693.80

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Solution

The fourth proportional to 110,716.20, 166,074.30 and 100,693.80 is: 151,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,716.20 : 166,074.30 = 100,693.80 : x
  2. Step 2: Convert to fraction form
    110,716.20/166,074.30 = 100,693.80/x
  3. Step 3: Cross multiply
    110,716.20x = 166,074.30 × 100,693.80
  4. Step 4: Simplify right side
    110,716.20x = 16,722,652,349.34
  5. Step 5: Solve for x
    x = 16,722,652,349.34/110,716.20
  6. Step 6: Final answer
    x = 151,040.70

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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.