Home / 199,725.14-275,622.57-113,679.92

Finding the Fourth Proportional to 199,725.14, 275,622.57 and 113,679.92

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Solution

The fourth proportional to 199,725.14, 275,622.57 and 113,679.92 is: 156,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,725.14 : 275,622.57 = 113,679.92 : x
  2. Step 2: Convert to fraction form
    199,725.14/275,622.57 = 113,679.92/x
  3. Step 3: Cross multiply
    199,725.14x = 275,622.57 × 113,679.92
  4. Step 4: Simplify right side
    199,725.14x = 31,332,751,707.79
  5. Step 5: Solve for x
    x = 31,332,751,707.79/199,725.14
  6. Step 6: Final answer
    x = 156,879.36

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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.