Home / 198,307.02-274,202.37-195,102.39

Finding the Fourth Proportional to 198,307.02, 274,202.37 and 195,102.39

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Solution

The fourth proportional to 198,307.02, 274,202.37 and 195,102.39 is: 269,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,307.02 : 274,202.37 = 195,102.39 : x
  2. Step 2: Convert to fraction form
    198,307.02/274,202.37 = 195,102.39/x
  3. Step 3: Cross multiply
    198,307.02x = 274,202.37 × 195,102.39
  4. Step 4: Simplify right side
    198,307.02x = 53,497,537,730.66
  5. Step 5: Solve for x
    x = 53,497,537,730.66/198,307.02
  6. Step 6: Final answer
    x = 269,771.28

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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.