Home / 198,953.28-274,575.36-148,564.80

Finding the Fourth Proportional to 198,953.28, 274,575.36 and 148,564.80

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Solution

The fourth proportional to 198,953.28, 274,575.36 and 148,564.80 is: 205,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,953.28 : 274,575.36 = 148,564.80 : x
  2. Step 2: Convert to fraction form
    198,953.28/274,575.36 = 148,564.80/x
  3. Step 3: Cross multiply
    198,953.28x = 274,575.36 × 148,564.80
  4. Step 4: Simplify right side
    198,953.28x = 40,792,233,443.33
  5. Step 5: Solve for x
    x = 40,792,233,443.33/198,953.28
  6. Step 6: Final answer
    x = 205,034.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.