Home / 188,191.14-259,704.14-111,725.56

Finding the Fourth Proportional to 188,191.14, 259,704.14 and 111,725.56

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Solution

The fourth proportional to 188,191.14, 259,704.14 and 111,725.56 is: 154,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,191.14 : 259,704.14 = 111,725.56 : x
  2. Step 2: Convert to fraction form
    188,191.14/259,704.14 = 111,725.56/x
  3. Step 3: Cross multiply
    188,191.14x = 259,704.14 × 111,725.56
  4. Step 4: Simplify right side
    188,191.14x = 29,015,590,475.82
  5. Step 5: Solve for x
    x = 29,015,590,475.82/188,191.14
  6. Step 6: Final answer
    x = 154,181.49

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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.