Home / 110,876.80-166,315.20-109,892.65

Finding the Fourth Proportional to 110,876.80, 166,315.20 and 109,892.65

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Solution

The fourth proportional to 110,876.80, 166,315.20 and 109,892.65 is: 164,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,876.80 : 166,315.20 = 109,892.65 : x
  2. Step 2: Convert to fraction form
    110,876.80/166,315.20 = 109,892.65/x
  3. Step 3: Cross multiply
    110,876.80x = 166,315.20 × 109,892.65
  4. Step 4: Simplify right side
    110,876.80x = 18,276,818,063.28
  5. Step 5: Solve for x
    x = 18,276,818,063.28/110,876.80
  6. Step 6: Final answer
    x = 164,838.98

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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.