Home / 199,087.86-274,748.28-108,445.62

Finding the Fourth Proportional to 199,087.86, 274,748.28 and 108,445.62

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Solution

The fourth proportional to 199,087.86, 274,748.28 and 108,445.62 is: 149,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,087.86 : 274,748.28 = 108,445.62 : x
  2. Step 2: Convert to fraction form
    199,087.86/274,748.28 = 108,445.62/x
  3. Step 3: Cross multiply
    199,087.86x = 274,748.28 × 108,445.62
  4. Step 4: Simplify right side
    199,087.86x = 29,795,247,568.53
  5. Step 5: Solve for x
    x = 29,795,247,568.53/199,087.86
  6. Step 6: Final answer
    x = 149,658.79

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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.