Home / 193,371.80-266,869.16-107,338.86

Finding the Fourth Proportional to 193,371.80, 266,869.16 and 107,338.86

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Solution

The fourth proportional to 193,371.80, 266,869.16 and 107,338.86 is: 148,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,371.80 : 266,869.16 = 107,338.86 : x
  2. Step 2: Convert to fraction form
    193,371.80/266,869.16 = 107,338.86/x
  3. Step 3: Cross multiply
    193,371.80x = 266,869.16 × 107,338.86
  4. Step 4: Simplify right side
    193,371.80x = 28,645,431,403.56
  5. Step 5: Solve for x
    x = 28,645,431,403.56/193,371.80
  6. Step 6: Final answer
    x = 148,136.55

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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.