Home / 188,462.86-259,961.60-111,926.75

Finding the Fourth Proportional to 188,462.86, 259,961.60 and 111,926.75

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Solution

The fourth proportional to 188,462.86, 259,961.60 and 111,926.75 is: 154,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,462.86 : 259,961.60 = 111,926.75 : x
  2. Step 2: Convert to fraction form
    188,462.86/259,961.60 = 111,926.75/x
  3. Step 3: Cross multiply
    188,462.86x = 259,961.60 × 111,926.75
  4. Step 4: Simplify right side
    188,462.86x = 29,096,655,153.36
  5. Step 5: Solve for x
    x = 29,096,655,153.36/188,462.86
  6. Step 6: Final answer
    x = 154,389.33

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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.