Home / 199,379.13-275,132.24-113,326.16

Finding the Fourth Proportional to 199,379.13, 275,132.24 and 113,326.16

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Solution

The fourth proportional to 199,379.13, 275,132.24 and 113,326.16 is: 156,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,379.13 : 275,132.24 = 113,326.16 : x
  2. Step 2: Convert to fraction form
    199,379.13/275,132.24 = 113,326.16/x
  3. Step 3: Cross multiply
    199,379.13x = 275,132.24 × 113,326.16
  4. Step 4: Simplify right side
    199,379.13x = 31,179,678,309.11
  5. Step 5: Solve for x
    x = 31,179,678,309.11/199,379.13
  6. Step 6: Final answer
    x = 156,383.86

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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.