Home / 198,928.08-298,389.18-49,168.38

Finding the Fourth Proportional to 198,928.08, 298,389.18 and 49,168.38

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Solution

The fourth proportional to 198,928.08, 298,389.18 and 49,168.38 is: 73,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,928.08 : 298,389.18 = 49,168.38 : x
  2. Step 2: Convert to fraction form
    198,928.08/298,389.18 = 49,168.38/x
  3. Step 3: Cross multiply
    198,928.08x = 298,389.18 × 49,168.38
  4. Step 4: Simplify right side
    198,928.08x = 14,671,313,893.47
  5. Step 5: Solve for x
    x = 14,671,313,893.47/198,928.08
  6. Step 6: Final answer
    x = 73,751.85

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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.