Home / 199,766.32-275,733.12-114,910.72

Finding the Fourth Proportional to 199,766.32, 275,733.12 and 114,910.72

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Solution

The fourth proportional to 199,766.32, 275,733.12 and 114,910.72 is: 158,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,766.32 : 275,733.12 = 114,910.72 : x
  2. Step 2: Convert to fraction form
    199,766.32/275,733.12 = 114,910.72/x
  3. Step 3: Cross multiply
    199,766.32x = 275,733.12 × 114,910.72
  4. Step 4: Simplify right side
    199,766.32x = 31,684,691,347.05
  5. Step 5: Solve for x
    x = 31,684,691,347.05/199,766.32
  6. Step 6: Final answer
    x = 158,608.78

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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.