Home / 193,390.12-266,882.97-108,513.46

Finding the Fourth Proportional to 193,390.12, 266,882.97 and 108,513.46

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Solution

The fourth proportional to 193,390.12, 266,882.97 and 108,513.46 is: 149,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,390.12 : 266,882.97 = 108,513.46 : x
  2. Step 2: Convert to fraction form
    193,390.12/266,882.97 = 108,513.46/x
  3. Step 3: Cross multiply
    193,390.12x = 266,882.97 × 108,513.46
  4. Step 4: Simplify right side
    193,390.12x = 28,960,394,823.38
  5. Step 5: Solve for x
    x = 28,960,394,823.38/193,390.12
  6. Step 6: Final answer
    x = 149,751.16

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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.