Home / 188,678.88-260,496.36-117,134.82

Finding the Fourth Proportional to 188,678.88, 260,496.36 and 117,134.82

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Solution

The fourth proportional to 188,678.88, 260,496.36 and 117,134.82 is: 161,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,678.88 : 260,496.36 = 117,134.82 : x
  2. Step 2: Convert to fraction form
    188,678.88/260,496.36 = 117,134.82/x
  3. Step 3: Cross multiply
    188,678.88x = 260,496.36 × 117,134.82
  4. Step 4: Simplify right side
    188,678.88x = 30,513,194,239.26
  5. Step 5: Solve for x
    x = 30,513,194,239.26/188,678.88
  6. Step 6: Final answer
    x = 161,720.24

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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.