Home / 193,404.51-266,900.67-108,519.75

Finding the Fourth Proportional to 193,404.51, 266,900.67 and 108,519.75

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Solution

The fourth proportional to 193,404.51, 266,900.67 and 108,519.75 is: 149,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,404.51 : 266,900.67 = 108,519.75 : x
  2. Step 2: Convert to fraction form
    193,404.51/266,900.67 = 108,519.75/x
  3. Step 3: Cross multiply
    193,404.51x = 266,900.67 × 108,519.75
  4. Step 4: Simplify right side
    193,404.51x = 28,963,993,983.23
  5. Step 5: Solve for x
    x = 28,963,993,983.23/193,404.51
  6. Step 6: Final answer
    x = 149,758.63

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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.