Home / 198,861.84-274,367.54-112,806.64

Finding the Fourth Proportional to 198,861.84, 274,367.54 and 112,806.64

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Solution

The fourth proportional to 198,861.84, 274,367.54 and 112,806.64 is: 155,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,861.84 : 274,367.54 = 112,806.64 : x
  2. Step 2: Convert to fraction form
    198,861.84/274,367.54 = 112,806.64/x
  3. Step 3: Cross multiply
    198,861.84x = 274,367.54 × 112,806.64
  4. Step 4: Simplify right side
    198,861.84x = 30,950,480,312.47
  5. Step 5: Solve for x
    x = 30,950,480,312.47/198,861.84
  6. Step 6: Final answer
    x = 155,638.11

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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.