Home / 199,332.75-298,999.14-81,013.33

Finding the Fourth Proportional to 199,332.75, 298,999.14 and 81,013.33

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Solution

The fourth proportional to 199,332.75, 298,999.14 and 81,013.33 is: 121,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,332.75 : 298,999.14 = 81,013.33 : x
  2. Step 2: Convert to fraction form
    199,332.75/298,999.14 = 81,013.33/x
  3. Step 3: Cross multiply
    199,332.75x = 298,999.14 × 81,013.33
  4. Step 4: Simplify right side
    199,332.75x = 24,222,915,998.54
  5. Step 5: Solve for x
    x = 24,222,915,998.54/199,332.75
  6. Step 6: Final answer
    x = 121,520.00

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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.