Home / 189,193.22-261,086.49-104,311.70

Finding the Fourth Proportional to 189,193.22, 261,086.49 and 104,311.70

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Solution

The fourth proportional to 189,193.22, 261,086.49 and 104,311.70 is: 143,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,193.22 : 261,086.49 = 104,311.70 : x
  2. Step 2: Convert to fraction form
    189,193.22/261,086.49 = 104,311.70/x
  3. Step 3: Cross multiply
    189,193.22x = 261,086.49 × 104,311.70
  4. Step 4: Simplify right side
    189,193.22x = 27,234,375,618.93
  5. Step 5: Solve for x
    x = 27,234,375,618.93/189,193.22
  6. Step 6: Final answer
    x = 143,950.06

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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.