Home / 199,039.10-298,558.65-189,853.70

Finding the Fourth Proportional to 199,039.10, 298,558.65 and 189,853.70

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Solution

The fourth proportional to 199,039.10, 298,558.65 and 189,853.70 is: 284,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,039.10 : 298,558.65 = 189,853.70 : x
  2. Step 2: Convert to fraction form
    199,039.10/298,558.65 = 189,853.70/x
  3. Step 3: Cross multiply
    199,039.10x = 298,558.65 × 189,853.70
  4. Step 4: Simplify right side
    199,039.10x = 56,682,464,369.51
  5. Step 5: Solve for x
    x = 56,682,464,369.51/199,039.10
  6. Step 6: Final answer
    x = 284,780.55

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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.