Home / 199,454.58-298,013.78-192,478.05

Finding the Fourth Proportional to 199,454.58, 298,013.78 and 192,478.05

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Solution

The fourth proportional to 199,454.58, 298,013.78 and 192,478.05 is: 287,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,454.58 : 298,013.78 = 192,478.05 : x
  2. Step 2: Convert to fraction form
    199,454.58/298,013.78 = 192,478.05/x
  3. Step 3: Cross multiply
    199,454.58x = 298,013.78 × 192,478.05
  4. Step 4: Simplify right side
    199,454.58x = 57,361,110,285.14
  5. Step 5: Solve for x
    x = 57,361,110,285.14/199,454.58
  6. Step 6: Final answer
    x = 287,589.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.