Home / 193,811.94-290,841.03-100,317.69

Finding the Fourth Proportional to 193,811.94, 290,841.03 and 100,317.69

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Solution

The fourth proportional to 193,811.94, 290,841.03 and 100,317.69 is: 150,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,811.94 : 290,841.03 = 100,317.69 : x
  2. Step 2: Convert to fraction form
    193,811.94/290,841.03 = 100,317.69/x
  3. Step 3: Cross multiply
    193,811.94x = 290,841.03 × 100,317.69
  4. Step 4: Simplify right side
    193,811.94x = 29,176,500,286.82
  5. Step 5: Solve for x
    x = 29,176,500,286.82/193,811.94
  6. Step 6: Final answer
    x = 150,540.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.