Home / 110,814.30-166,282.80-68,716.98

Finding the Fourth Proportional to 110,814.30, 166,282.80 and 68,716.98

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Solution

The fourth proportional to 110,814.30, 166,282.80 and 68,716.98 is: 103,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,814.30 : 166,282.80 = 68,716.98 : x
  2. Step 2: Convert to fraction form
    110,814.30/166,282.80 = 68,716.98/x
  3. Step 3: Cross multiply
    110,814.30x = 166,282.80 × 68,716.98
  4. Step 4: Simplify right side
    110,814.30x = 11,426,451,841.94
  5. Step 5: Solve for x
    x = 11,426,451,841.94/110,814.30
  6. Step 6: Final answer
    x = 103,113.51

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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.