Home / 198,189.19-273,423.22-113,260.69

Finding the Fourth Proportional to 198,189.19, 273,423.22 and 113,260.69

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Solution

The fourth proportional to 198,189.19, 273,423.22 and 113,260.69 is: 156,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,189.19 : 273,423.22 = 113,260.69 : x
  2. Step 2: Convert to fraction form
    198,189.19/273,423.22 = 113,260.69/x
  3. Step 3: Cross multiply
    198,189.19x = 273,423.22 × 113,260.69
  4. Step 4: Simplify right side
    198,189.19x = 30,968,102,559.22
  5. Step 5: Solve for x
    x = 30,968,102,559.22/198,189.19
  6. Step 6: Final answer
    x = 156,255.26

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1.5x scale

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.