Home / 199,331.25-298,996.89-81,011.83

Finding the Fourth Proportional to 199,331.25, 298,996.89 and 81,011.83

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Solution

The fourth proportional to 199,331.25, 298,996.89 and 81,011.83 is: 121,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331.25 : 298,996.89 = 81,011.83 : x
  2. Step 2: Convert to fraction form
    199,331.25/298,996.89 = 81,011.83/x
  3. Step 3: Cross multiply
    199,331.25x = 298,996.89 × 81,011.83
  4. Step 4: Simplify right side
    199,331.25x = 24,222,285,223.21
  5. Step 5: Solve for x
    x = 24,222,285,223.21/199,331.25
  6. Step 6: Final answer
    x = 121,517.75

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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.