Home / 199,999.22-299,998.85-80,110.62

Finding the Fourth Proportional to 199,999.22, 299,998.85 and 80,110.62

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Solution

The fourth proportional to 199,999.22, 299,998.85 and 80,110.62 is: 120,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,999.22 : 299,998.85 = 80,110.62 : x
  2. Step 2: Convert to fraction form
    199,999.22/299,998.85 = 80,110.62/x
  3. Step 3: Cross multiply
    199,999.22x = 299,998.85 × 80,110.62
  4. Step 4: Simplify right side
    199,999.22x = 24,033,093,472.23
  5. Step 5: Solve for x
    x = 24,033,093,472.23/199,999.22
  6. Step 6: Final answer
    x = 120,165.94

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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.