Home / 199,416.24-298,939.68-104,626.80

Finding the Fourth Proportional to 199,416.24, 298,939.68 and 104,626.80

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Solution

The fourth proportional to 199,416.24, 298,939.68 and 104,626.80 is: 156,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,416.24 : 298,939.68 = 104,626.80 : x
  2. Step 2: Convert to fraction form
    199,416.24/298,939.68 = 104,626.80/x
  3. Step 3: Cross multiply
    199,416.24x = 298,939.68 × 104,626.80
  4. Step 4: Simplify right side
    199,416.24x = 31,277,102,111.42
  5. Step 5: Solve for x
    x = 31,277,102,111.42/199,416.24
  6. Step 6: Final answer
    x = 156,843.30

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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.