Home / 188,511.36-260,194.56-116,849.28

Finding the Fourth Proportional to 188,511.36, 260,194.56 and 116,849.28

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Solution

The fourth proportional to 188,511.36, 260,194.56 and 116,849.28 is: 161,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,511.36 : 260,194.56 = 116,849.28 : x
  2. Step 2: Convert to fraction form
    188,511.36/260,194.56 = 116,849.28/x
  3. Step 3: Cross multiply
    188,511.36x = 260,194.56 × 116,849.28
  4. Step 4: Simplify right side
    188,511.36x = 30,403,546,995.92
  5. Step 5: Solve for x
    x = 30,403,546,995.92/188,511.36
  6. Step 6: Final answer
    x = 161,282.31

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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.