Home / 192,919.42-266,183.04-112,298.50

Finding the Fourth Proportional to 192,919.42, 266,183.04 and 112,298.50

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Solution

The fourth proportional to 192,919.42, 266,183.04 and 112,298.50 is: 154,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,919.42 : 266,183.04 = 112,298.50 : x
  2. Step 2: Convert to fraction form
    192,919.42/266,183.04 = 112,298.50/x
  3. Step 3: Cross multiply
    192,919.42x = 266,183.04 × 112,298.50
  4. Step 4: Simplify right side
    192,919.42x = 29,891,956,117.44
  5. Step 5: Solve for x
    x = 29,891,956,117.44/192,919.42
  6. Step 6: Final answer
    x = 154,945.29

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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.