Home / 198,820.22-274,369.77-118,245.98

Finding the Fourth Proportional to 198,820.22, 274,369.77 and 118,245.98

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Solution

The fourth proportional to 198,820.22, 274,369.77 and 118,245.98 is: 163,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,820.22 : 274,369.77 = 118,245.98 : x
  2. Step 2: Convert to fraction form
    198,820.22/274,369.77 = 118,245.98/x
  3. Step 3: Cross multiply
    198,820.22x = 274,369.77 × 118,245.98
  4. Step 4: Simplify right side
    198,820.22x = 32,443,120,964.18
  5. Step 5: Solve for x
    x = 32,443,120,964.18/198,820.22
  6. Step 6: Final answer
    x = 163,178.18

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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.