Home / 143,844.27-198,590.14-127,884.54

Finding the Fourth Proportional to 143,844.27, 198,590.14 and 127,884.54

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Solution

The fourth proportional to 143,844.27, 198,590.14 and 127,884.54 is: 176,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,844.27 : 198,590.14 = 127,884.54 : x
  2. Step 2: Convert to fraction form
    143,844.27/198,590.14 = 127,884.54/x
  3. Step 3: Cross multiply
    143,844.27x = 198,590.14 × 127,884.54
  4. Step 4: Simplify right side
    143,844.27x = 25,396,608,887.65
  5. Step 5: Solve for x
    x = 25,396,608,887.65/143,844.27
  6. Step 6: Final answer
    x = 176,556.28

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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.