Home / 193,836.92-290,565.54-108,489.45

Finding the Fourth Proportional to 193,836.92, 290,565.54 and 108,489.45

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Solution

The fourth proportional to 193,836.92, 290,565.54 and 108,489.45 is: 162,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,836.92 : 290,565.54 = 108,489.45 : x
  2. Step 2: Convert to fraction form
    193,836.92/290,565.54 = 108,489.45/x
  3. Step 3: Cross multiply
    193,836.92x = 290,565.54 × 108,489.45
  4. Step 4: Simplify right side
    193,836.92x = 31,523,295,623.55
  5. Step 5: Solve for x
    x = 31,523,295,623.55/193,836.92
  6. Step 6: Final answer
    x = 162,627.93

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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.