Home / 188,251.04-259,784.64-103,367.36

Finding the Fourth Proportional to 188,251.04, 259,784.64 and 103,367.36

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Solution

The fourth proportional to 188,251.04, 259,784.64 and 103,367.36 is: 142,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,251.04 : 259,784.64 = 103,367.36 : x
  2. Step 2: Convert to fraction form
    188,251.04/259,784.64 = 103,367.36/x
  3. Step 3: Cross multiply
    188,251.04x = 259,784.64 × 103,367.36
  4. Step 4: Simplify right side
    188,251.04x = 26,853,252,405.35
  5. Step 5: Solve for x
    x = 26,853,252,405.35/188,251.04
  6. Step 6: Final answer
    x = 142,645.97

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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.