Home / 192,183.04-288,155.22-79,941.88

Finding the Fourth Proportional to 192,183.04, 288,155.22 and 79,941.88

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Solution

The fourth proportional to 192,183.04, 288,155.22 and 79,941.88 is: 119,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,183.04 : 288,155.22 = 79,941.88 : x
  2. Step 2: Convert to fraction form
    192,183.04/288,155.22 = 79,941.88/x
  3. Step 3: Cross multiply
    192,183.04x = 288,155.22 × 79,941.88
  4. Step 4: Simplify right side
    192,183.04x = 23,035,670,018.61
  5. Step 5: Solve for x
    x = 23,035,670,018.61/192,183.04
  6. Step 6: Final answer
    x = 119,863.18

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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.