Home / 111,212.46-166,818.96-26,972.28

Finding the Fourth Proportional to 111,212.46, 166,818.96 and 26,972.28

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Solution

The fourth proportional to 111,212.46, 166,818.96 and 26,972.28 is: 40,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,212.46 : 166,818.96 = 26,972.28 : x
  2. Step 2: Convert to fraction form
    111,212.46/166,818.96 = 26,972.28/x
  3. Step 3: Cross multiply
    111,212.46x = 166,818.96 × 26,972.28
  4. Step 4: Simplify right side
    111,212.46x = 4,499,487,698.43
  5. Step 5: Solve for x
    x = 4,499,487,698.43/111,212.46
  6. Step 6: Final answer
    x = 40,458.49

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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.