Home / 193,392.09-266,885.69-108,515.43

Finding the Fourth Proportional to 193,392.09, 266,885.69 and 108,515.43

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Solution

The fourth proportional to 193,392.09, 266,885.69 and 108,515.43 is: 149,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,392.09 : 266,885.69 = 108,515.43 : x
  2. Step 2: Convert to fraction form
    193,392.09/266,885.69 = 108,515.43/x
  3. Step 3: Cross multiply
    193,392.09x = 266,885.69 × 108,515.43
  4. Step 4: Simplify right side
    193,392.09x = 28,961,214,868.62
  5. Step 5: Solve for x
    x = 28,961,214,868.62/193,392.09
  6. Step 6: Final answer
    x = 149,753.87

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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.