Home / 193,391.88-266,885.39-108,515.22

Finding the Fourth Proportional to 193,391.88, 266,885.39 and 108,515.22

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Solution

The fourth proportional to 193,391.88, 266,885.39 and 108,515.22 is: 149,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,391.88 : 266,885.39 = 108,515.22 : x
  2. Step 2: Convert to fraction form
    193,391.88/266,885.39 = 108,515.22/x
  3. Step 3: Cross multiply
    193,391.88x = 266,885.39 × 108,515.22
  4. Step 4: Simplify right side
    193,391.88x = 28,961,126,810.64
  5. Step 5: Solve for x
    x = 28,961,126,810.64/193,391.88
  6. Step 6: Final answer
    x = 149,753.58

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1.5x scale

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.