Home / 188,651.18-282,879.39-55,514.14

Finding the Fourth Proportional to 188,651.18, 282,879.39 and 55,514.14

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Solution

The fourth proportional to 188,651.18, 282,879.39 and 55,514.14 is: 83,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,651.18 : 282,879.39 = 55,514.14 : x
  2. Step 2: Convert to fraction form
    188,651.18/282,879.39 = 55,514.14/x
  3. Step 3: Cross multiply
    188,651.18x = 282,879.39 × 55,514.14
  4. Step 4: Simplify right side
    188,651.18x = 15,703,806,059.57
  5. Step 5: Solve for x
    x = 15,703,806,059.57/188,651.18
  6. Step 6: Final answer
    x = 83,242.55

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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.