Home / 199,114.86-298,441.17-80,638.86

Finding the Fourth Proportional to 199,114.86, 298,441.17 and 80,638.86

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Solution

The fourth proportional to 199,114.86, 298,441.17 and 80,638.86 is: 120,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,114.86 : 298,441.17 = 80,638.86 : x
  2. Step 2: Convert to fraction form
    199,114.86/298,441.17 = 80,638.86/x
  3. Step 3: Cross multiply
    199,114.86x = 298,441.17 × 80,638.86
  4. Step 4: Simplify right side
    199,114.86x = 24,065,955,725.87
  5. Step 5: Solve for x
    x = 24,065,955,725.87/199,114.86
  6. Step 6: Final answer
    x = 120,864.69

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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.