Home / 199,719.54-275,614.83-113,674.31

Finding the Fourth Proportional to 199,719.54, 275,614.83 and 113,674.31

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Solution

The fourth proportional to 199,719.54, 275,614.83 and 113,674.31 is: 156,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,719.54 : 275,614.83 = 113,674.31 : x
  2. Step 2: Convert to fraction form
    199,719.54/275,614.83 = 113,674.31/x
  3. Step 3: Cross multiply
    199,719.54x = 275,614.83 × 113,674.31
  4. Step 4: Simplify right side
    199,719.54x = 31,330,325,626.02
  5. Step 5: Solve for x
    x = 31,330,325,626.02/199,719.54
  6. Step 6: Final answer
    x = 156,871.61

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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.