Home / 188,177.84-259,685.78-111,712.27

Finding the Fourth Proportional to 188,177.84, 259,685.78 and 111,712.27

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Solution

The fourth proportional to 188,177.84, 259,685.78 and 111,712.27 is: 154,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,177.84 : 259,685.78 = 111,712.27 : x
  2. Step 2: Convert to fraction form
    188,177.84/259,685.78 = 111,712.27/x
  3. Step 3: Cross multiply
    188,177.84x = 259,685.78 × 111,712.27
  4. Step 4: Simplify right side
    188,177.84x = 29,010,086,672.09
  5. Step 5: Solve for x
    x = 29,010,086,672.09/188,177.84
  6. Step 6: Final answer
    x = 154,163.14

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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.