Home / 188,268.51-259,816.65-107,696.19

Finding the Fourth Proportional to 188,268.51, 259,816.65 and 107,696.19

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Solution

The fourth proportional to 188,268.51, 259,816.65 and 107,696.19 is: 148,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,268.51 : 259,816.65 = 107,696.19 : x
  2. Step 2: Convert to fraction form
    188,268.51/259,816.65 = 107,696.19/x
  3. Step 3: Cross multiply
    188,268.51x = 259,816.65 × 107,696.19
  4. Step 4: Simplify right side
    188,268.51x = 27,981,263,303.56
  5. Step 5: Solve for x
    x = 27,981,263,303.56/188,268.51
  6. Step 6: Final answer
    x = 148,624.24

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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.