Home / 199,149.08-298,542.92-99,339.89

Finding the Fourth Proportional to 199,149.08, 298,542.92 and 99,339.89

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Solution

The fourth proportional to 199,149.08, 298,542.92 and 99,339.89 is: 148,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,149.08 : 298,542.92 = 99,339.89 : x
  2. Step 2: Convert to fraction form
    199,149.08/298,542.92 = 99,339.89/x
  3. Step 3: Cross multiply
    199,149.08x = 298,542.92 × 99,339.89
  4. Step 4: Simplify right side
    199,149.08x = 29,657,218,843.66
  5. Step 5: Solve for x
    x = 29,657,218,843.66/199,149.08
  6. Step 6: Final answer
    x = 148,919.69

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1.5x scale

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.