Home / 198,594.21-274,061.48-107,949.92

Finding the Fourth Proportional to 198,594.21, 274,061.48 and 107,949.92

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Solution

The fourth proportional to 198,594.21, 274,061.48 and 107,949.92 is: 148,971.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,594.21 : 274,061.48 = 107,949.92 : x
  2. Step 2: Convert to fraction form
    198,594.21/274,061.48 = 107,949.92/x
  3. Step 3: Cross multiply
    198,594.21x = 274,061.48 × 107,949.92
  4. Step 4: Simplify right side
    198,594.21x = 29,584,915,690.00
  5. Step 5: Solve for x
    x = 29,584,915,690.00/198,594.21
  6. Step 6: Final answer
    x = 148,971.69

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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.