Home / 192,418.32-288,632.52-91,192.62

Finding the Fourth Proportional to 192,418.32, 288,632.52 and 91,192.62

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Solution

The fourth proportional to 192,418.32, 288,632.52 and 91,192.62 is: 136,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,418.32 : 288,632.52 = 91,192.62 : x
  2. Step 2: Convert to fraction form
    192,418.32/288,632.52 = 91,192.62/x
  3. Step 3: Cross multiply
    192,418.32x = 288,632.52 × 91,192.62
  4. Step 4: Simplify right side
    192,418.32x = 26,321,155,716.00
  5. Step 5: Solve for x
    x = 26,321,155,716.00/192,418.32
  6. Step 6: Final answer
    x = 136,791.32

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1.5x scale

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.