Home / 188,420.22-282,557.97-76,061.34

Finding the Fourth Proportional to 188,420.22, 282,557.97 and 76,061.34

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Solution

The fourth proportional to 188,420.22, 282,557.97 and 76,061.34 is: 114,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,420.22 : 282,557.97 = 76,061.34 : x
  2. Step 2: Convert to fraction form
    188,420.22/282,557.97 = 76,061.34/x
  3. Step 3: Cross multiply
    188,420.22x = 282,557.97 × 76,061.34
  4. Step 4: Simplify right side
    188,420.22x = 21,491,737,825.88
  5. Step 5: Solve for x
    x = 21,491,737,825.88/188,420.22
  6. Step 6: Final answer
    x = 114,062.80

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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.