Home / 111,375.19-166,663.70-96,433.85

Finding the Fourth Proportional to 111,375.19, 166,663.70 and 96,433.85

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Solution

The fourth proportional to 111,375.19, 166,663.70 and 96,433.85 is: 144,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,375.19 : 166,663.70 = 96,433.85 : x
  2. Step 2: Convert to fraction form
    111,375.19/166,663.70 = 96,433.85/x
  3. Step 3: Cross multiply
    111,375.19x = 166,663.70 × 96,433.85
  4. Step 4: Simplify right side
    111,375.19x = 16,072,021,764.08
  5. Step 5: Solve for x
    x = 16,072,021,764.08/111,375.19
  6. Step 6: Final answer
    x = 144,305.23

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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.