Home / 198,556.34-274,047.60-117,968.35

Finding the Fourth Proportional to 198,556.34, 274,047.60 and 117,968.35

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Solution

The fourth proportional to 198,556.34, 274,047.60 and 117,968.35 is: 162,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,556.34 : 274,047.60 = 117,968.35 : x
  2. Step 2: Convert to fraction form
    198,556.34/274,047.60 = 117,968.35/x
  3. Step 3: Cross multiply
    198,556.34x = 274,047.60 × 117,968.35
  4. Step 4: Simplify right side
    198,556.34x = 32,328,942,360.88
  5. Step 5: Solve for x
    x = 32,328,942,360.88/198,556.34
  6. Step 6: Final answer
    x = 162,820.00

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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.