Home / 199,250.27-298,727.78-120,346.05

Finding the Fourth Proportional to 199,250.27, 298,727.78 and 120,346.05

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Solution

The fourth proportional to 199,250.27, 298,727.78 and 120,346.05 is: 180,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,250.27 : 298,727.78 = 120,346.05 : x
  2. Step 2: Convert to fraction form
    199,250.27/298,727.78 = 120,346.05/x
  3. Step 3: Cross multiply
    199,250.27x = 298,727.78 × 120,346.05
  4. Step 4: Simplify right side
    199,250.27x = 35,950,707,863.37
  5. Step 5: Solve for x
    x = 35,950,707,863.37/199,250.27
  6. Step 6: Final answer
    x = 180,429.90

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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.