Home / 188,447.19-282,560.09-76,130.97

Finding the Fourth Proportional to 188,447.19, 282,560.09 and 76,130.97

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Solution

The fourth proportional to 188,447.19, 282,560.09 and 76,130.97 is: 114,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,447.19 : 282,560.09 = 76,130.97 : x
  2. Step 2: Convert to fraction form
    188,447.19/282,560.09 = 76,130.97/x
  3. Step 3: Cross multiply
    188,447.19x = 282,560.09 × 76,130.97
  4. Step 4: Simplify right side
    188,447.19x = 21,511,573,354.33
  5. Step 5: Solve for x
    x = 21,511,573,354.33/188,447.19
  6. Step 6: Final answer
    x = 114,151.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.