Home / 193,834.41-290,561.79-108,486.95

Finding the Fourth Proportional to 193,834.41, 290,561.79 and 108,486.95

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Solution

The fourth proportional to 193,834.41, 290,561.79 and 108,486.95 is: 162,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,834.41 : 290,561.79 = 108,486.95 : x
  2. Step 2: Convert to fraction form
    193,834.41/290,561.79 = 108,486.95/x
  3. Step 3: Cross multiply
    193,834.41x = 290,561.79 × 108,486.95
  4. Step 4: Simplify right side
    193,834.41x = 31,522,162,383.64
  5. Step 5: Solve for x
    x = 31,522,162,383.64/193,834.41
  6. Step 6: Final answer
    x = 162,624.18

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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.