Home / 201,724.20-278,381.22-111,083.38

Finding the Fourth Proportional to 201,724.20, 278,381.22 and 111,083.38

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Solution

The fourth proportional to 201,724.20, 278,381.22 and 111,083.38 is: 153,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,724.20 : 278,381.22 = 111,083.38 : x
  2. Step 2: Convert to fraction form
    201,724.20/278,381.22 = 111,083.38/x
  3. Step 3: Cross multiply
    201,724.20x = 278,381.22 × 111,083.38
  4. Step 4: Simplify right side
    201,724.20x = 30,923,526,846.12
  5. Step 5: Solve for x
    x = 30,923,526,846.12/201,724.20
  6. Step 6: Final answer
    x = 153,296.07

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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.