Home / 198,869.24-274,440.72-108,225.92

Finding the Fourth Proportional to 198,869.24, 274,440.72 and 108,225.92

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Solution

The fourth proportional to 198,869.24, 274,440.72 and 108,225.92 is: 149,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,869.24 : 274,440.72 = 108,225.92 : x
  2. Step 2: Convert to fraction form
    198,869.24/274,440.72 = 108,225.92/x
  3. Step 3: Cross multiply
    198,869.24x = 274,440.72 × 108,225.92
  4. Step 4: Simplify right side
    198,869.24x = 29,701,599,407.46
  5. Step 5: Solve for x
    x = 29,701,599,407.46/198,869.24
  6. Step 6: Final answer
    x = 149,352.41

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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.