Home / 188,083.07-259,554.64-107,512.33

Finding the Fourth Proportional to 188,083.07, 259,554.64 and 107,512.33

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Solution

The fourth proportional to 188,083.07, 259,554.64 and 107,512.33 is: 148,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,083.07 : 259,554.64 = 107,512.33 : x
  2. Step 2: Convert to fraction form
    188,083.07/259,554.64 = 107,512.33/x
  3. Step 3: Cross multiply
    188,083.07x = 259,554.64 × 107,512.33
  4. Step 4: Simplify right side
    188,083.07x = 27,905,324,108.71
  5. Step 5: Solve for x
    x = 27,905,324,108.71/188,083.07
  6. Step 6: Final answer
    x = 148,367.02

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1.5x scale

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.