Home / 298,151.06-447,433.95-192,708.50

Finding the Fourth Proportional to 298,151.06, 447,433.95 and 192,708.50

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Solution

The fourth proportional to 298,151.06, 447,433.95 and 192,708.50 is: 289,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,151.06 : 447,433.95 = 192,708.50 : x
  2. Step 2: Convert to fraction form
    298,151.06/447,433.95 = 192,708.50/x
  3. Step 3: Cross multiply
    298,151.06x = 447,433.95 × 192,708.50
  4. Step 4: Simplify right side
    298,151.06x = 86,224,325,353.58
  5. Step 5: Solve for x
    x = 86,224,325,353.58/298,151.06
  6. Step 6: Final answer
    x = 289,196.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.