Home / 199,032.68-298,672.03-80,705.04

Finding the Fourth Proportional to 199,032.68, 298,672.03 and 80,705.04

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Solution

The fourth proportional to 199,032.68, 298,672.03 and 80,705.04 is: 121,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,032.68 : 298,672.03 = 80,705.04 : x
  2. Step 2: Convert to fraction form
    199,032.68/298,672.03 = 80,705.04/x
  3. Step 3: Cross multiply
    199,032.68x = 298,672.03 × 80,705.04
  4. Step 4: Simplify right side
    199,032.68x = 24,104,338,128.03
  5. Step 5: Solve for x
    x = 24,104,338,128.03/199,032.68
  6. Step 6: Final answer
    x = 121,107.44

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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.