Home / 188,571.40-260,163.78-116,925.64

Finding the Fourth Proportional to 188,571.40, 260,163.78 and 116,925.64

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Solution

The fourth proportional to 188,571.40, 260,163.78 and 116,925.64 is: 161,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,571.40 : 260,163.78 = 116,925.64 : x
  2. Step 2: Convert to fraction form
    188,571.40/260,163.78 = 116,925.64/x
  3. Step 3: Cross multiply
    188,571.40x = 260,163.78 × 116,925.64
  4. Step 4: Simplify right side
    188,571.40x = 30,419,816,481.32
  5. Step 5: Solve for x
    x = 30,419,816,481.32/188,571.40
  6. Step 6: Final answer
    x = 161,317.23

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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.