Home / 193,394.09-266,888.45-108,517.43

Finding the Fourth Proportional to 193,394.09, 266,888.45 and 108,517.43

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Solution

The fourth proportional to 193,394.09, 266,888.45 and 108,517.43 is: 149,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,394.09 : 266,888.45 = 108,517.43 : x
  2. Step 2: Convert to fraction form
    193,394.09/266,888.45 = 108,517.43/x
  3. Step 3: Cross multiply
    193,394.09x = 266,888.45 × 108,517.43
  4. Step 4: Simplify right side
    193,394.09x = 28,962,048,690.68
  5. Step 5: Solve for x
    x = 28,962,048,690.68/193,394.09
  6. Step 6: Final answer
    x = 149,756.64

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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.