Home / 168,390.50-232,379.16-92,939

Finding the Fourth Proportional to 168,390.50, 232,379.16 and 92,939

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Solution

The fourth proportional to 168,390.50, 232,379.16 and 92,939 is: 128,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,390.50 : 232,379.16 = 92,939 : x
  2. Step 2: Convert to fraction form
    168,390.50/232,379.16 = 92,939/x
  3. Step 3: Cross multiply
    168,390.50x = 232,379.16 × 92,939
  4. Step 4: Simplify right side
    168,390.50x = 21,597,086,751.24
  5. Step 5: Solve for x
    x = 21,597,086,751.24/168,390.50
  6. Step 6: Final answer
    x = 128,255.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.