Home / 199,676.21-275,542.29-113,632.61

Finding the Fourth Proportional to 199,676.21, 275,542.29 and 113,632.61

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Solution

The fourth proportional to 199,676.21, 275,542.29 and 113,632.61 is: 156,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,676.21 : 275,542.29 = 113,632.61 : x
  2. Step 2: Convert to fraction form
    199,676.21/275,542.29 = 113,632.61/x
  3. Step 3: Cross multiply
    199,676.21x = 275,542.29 × 113,632.61
  4. Step 4: Simplify right side
    199,676.21x = 31,310,588,200.37
  5. Step 5: Solve for x
    x = 31,310,588,200.37/199,676.21
  6. Step 6: Final answer
    x = 156,806.81

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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.