Home / 193,072.08-266,446.68-108,186

Finding the Fourth Proportional to 193,072.08, 266,446.68 and 108,186

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Solution

The fourth proportional to 193,072.08, 266,446.68 and 108,186 is: 149,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,072.08 : 266,446.68 = 108,186 : x
  2. Step 2: Convert to fraction form
    193,072.08/266,446.68 = 108,186/x
  3. Step 3: Cross multiply
    193,072.08x = 266,446.68 × 108,186
  4. Step 4: Simplify right side
    193,072.08x = 28,825,800,522.48
  5. Step 5: Solve for x
    x = 28,825,800,522.48/193,072.08
  6. Step 6: Final answer
    x = 149,300.72

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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.