Home / 192,194.33-288,299.07-72,239.18

Finding the Fourth Proportional to 192,194.33, 288,299.07 and 72,239.18

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Solution

The fourth proportional to 192,194.33, 288,299.07 and 72,239.18 is: 108,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,194.33 : 288,299.07 = 72,239.18 : x
  2. Step 2: Convert to fraction form
    192,194.33/288,299.07 = 72,239.18/x
  3. Step 3: Cross multiply
    192,194.33x = 288,299.07 × 72,239.18
  4. Step 4: Simplify right side
    192,194.33x = 20,826,486,970.07
  5. Step 5: Solve for x
    x = 20,826,486,970.07/192,194.33
  6. Step 6: Final answer
    x = 108,361.61

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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.