Home / 198,554.67-297,831.36-80,224.59

Finding the Fourth Proportional to 198,554.67, 297,831.36 and 80,224.59

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Solution

The fourth proportional to 198,554.67, 297,831.36 and 80,224.59 is: 120,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,554.67 : 297,831.36 = 80,224.59 : x
  2. Step 2: Convert to fraction form
    198,554.67/297,831.36 = 80,224.59/x
  3. Step 3: Cross multiply
    198,554.67x = 297,831.36 × 80,224.59
  4. Step 4: Simplify right side
    198,554.67x = 23,893,398,745.14
  5. Step 5: Solve for x
    x = 23,893,398,745.14/198,554.67
  6. Step 6: Final answer
    x = 120,336.62

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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.