Home / 188,129.87-259,610.14-107,566.25

Finding the Fourth Proportional to 188,129.87, 259,610.14 and 107,566.25

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Solution

The fourth proportional to 188,129.87, 259,610.14 and 107,566.25 is: 148,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,129.87 : 259,610.14 = 107,566.25 : x
  2. Step 2: Convert to fraction form
    188,129.87/259,610.14 = 107,566.25/x
  3. Step 3: Cross multiply
    188,129.87x = 259,610.14 × 107,566.25
  4. Step 4: Simplify right side
    188,129.87x = 27,925,289,221.78
  5. Step 5: Solve for x
    x = 27,925,289,221.78/188,129.87
  6. Step 6: Final answer
    x = 148,436.23

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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.