Home / 188,101.16-282,160.97-75,766.21

Finding the Fourth Proportional to 188,101.16, 282,160.97 and 75,766.21

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Solution

The fourth proportional to 188,101.16, 282,160.97 and 75,766.21 is: 113,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,101.16 : 282,160.97 = 75,766.21 : x
  2. Step 2: Convert to fraction form
    188,101.16/282,160.97 = 75,766.21/x
  3. Step 3: Cross multiply
    188,101.16x = 282,160.97 × 75,766.21
  4. Step 4: Simplify right side
    188,101.16x = 21,378,267,300.29
  5. Step 5: Solve for x
    x = 21,378,267,300.29/188,101.16
  6. Step 6: Final answer
    x = 113,653.03

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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.