Home / 188,716.93-260,330.09-112,181.59

Finding the Fourth Proportional to 188,716.93, 260,330.09 and 112,181.59

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Solution

The fourth proportional to 188,716.93, 260,330.09 and 112,181.59 is: 154,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,716.93 : 260,330.09 = 112,181.59 : x
  2. Step 2: Convert to fraction form
    188,716.93/260,330.09 = 112,181.59/x
  3. Step 3: Cross multiply
    188,716.93x = 260,330.09 × 112,181.59
  4. Step 4: Simplify right side
    188,716.93x = 29,204,242,860.14
  5. Step 5: Solve for x
    x = 29,204,242,860.14/188,716.93
  6. Step 6: Final answer
    x = 154,751.58

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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.