Home / 198,966.72-274,469.04-118,336.80

Finding the Fourth Proportional to 198,966.72, 274,469.04 and 118,336.80

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Solution

The fourth proportional to 198,966.72, 274,469.04 and 118,336.80 is: 163,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,966.72 : 274,469.04 = 118,336.80 : x
  2. Step 2: Convert to fraction form
    198,966.72/274,469.04 = 118,336.80/x
  3. Step 3: Cross multiply
    198,966.72x = 274,469.04 × 118,336.80
  4. Step 4: Simplify right side
    198,966.72x = 32,479,787,892.67
  5. Step 5: Solve for x
    x = 32,479,787,892.67/198,966.72
  6. Step 6: Final answer
    x = 163,242.31

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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.