Home / 192,187.48-288,290.94-73,817.32

Finding the Fourth Proportional to 192,187.48, 288,290.94 and 73,817.32

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Solution

The fourth proportional to 192,187.48, 288,290.94 and 73,817.32 is: 110,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,187.48 : 288,290.94 = 73,817.32 : x
  2. Step 2: Convert to fraction form
    192,187.48/288,290.94 = 73,817.32/x
  3. Step 3: Cross multiply
    192,187.48x = 288,290.94 × 73,817.32
  4. Step 4: Simplify right side
    192,187.48x = 21,280,864,571.08
  5. Step 5: Solve for x
    x = 21,280,864,571.08/192,187.48
  6. Step 6: Final answer
    x = 110,729.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.