Home / 298,153.06-447,436.96-192,710.50

Finding the Fourth Proportional to 298,153.06, 447,436.96 and 192,710.50

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Solution

The fourth proportional to 298,153.06, 447,436.96 and 192,710.50 is: 289,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,153.06 : 447,436.96 = 192,710.50 : x
  2. Step 2: Convert to fraction form
    298,153.06/447,436.96 = 192,710.50/x
  3. Step 3: Cross multiply
    298,153.06x = 447,436.96 × 192,710.50
  4. Step 4: Simplify right side
    298,153.06x = 86,225,800,280.08
  5. Step 5: Solve for x
    x = 86,225,800,280.08/298,153.06
  6. Step 6: Final answer
    x = 289,199.78

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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.