Home / 111,928.10-167,892.15-110,761.70

Finding the Fourth Proportional to 111,928.10, 167,892.15 and 110,761.70

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Solution

The fourth proportional to 111,928.10, 167,892.15 and 110,761.70 is: 166,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,928.10 : 167,892.15 = 110,761.70 : x
  2. Step 2: Convert to fraction form
    111,928.10/167,892.15 = 110,761.70/x
  3. Step 3: Cross multiply
    111,928.10x = 167,892.15 × 110,761.70
  4. Step 4: Simplify right side
    111,928.10x = 18,596,019,950.66
  5. Step 5: Solve for x
    x = 18,596,019,950.66/111,928.10
  6. Step 6: Final answer
    x = 166,142.55

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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.