Home / 199,315.86-298,363.23-129,055.38

Finding the Fourth Proportional to 199,315.86, 298,363.23 and 129,055.38

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Solution

The fourth proportional to 199,315.86, 298,363.23 and 129,055.38 is: 193,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,315.86 : 298,363.23 = 129,055.38 : x
  2. Step 2: Convert to fraction form
    199,315.86/298,363.23 = 129,055.38/x
  3. Step 3: Cross multiply
    199,315.86x = 298,363.23 × 129,055.38
  4. Step 4: Simplify right side
    199,315.86x = 38,505,380,025.68
  5. Step 5: Solve for x
    x = 38,505,380,025.68/199,315.86
  6. Step 6: Final answer
    x = 193,187.74

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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.