Home / 198,873.30-274,451.34-112,835.91

Finding the Fourth Proportional to 198,873.30, 274,451.34 and 112,835.91

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Solution

The fourth proportional to 198,873.30, 274,451.34 and 112,835.91 is: 155,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,873.30 : 274,451.34 = 112,835.91 : x
  2. Step 2: Convert to fraction form
    198,873.30/274,451.34 = 112,835.91/x
  3. Step 3: Cross multiply
    198,873.30x = 274,451.34 × 112,835.91
  4. Step 4: Simplify right side
    198,873.30x = 30,967,966,745.35
  5. Step 5: Solve for x
    x = 30,967,966,745.35/198,873.30
  6. Step 6: Final answer
    x = 155,717.07

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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.