Home / 198,713.02-274,127.60-118,083.49

Finding the Fourth Proportional to 198,713.02, 274,127.60 and 118,083.49

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Solution

The fourth proportional to 198,713.02, 274,127.60 and 118,083.49 is: 162,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,713.02 : 274,127.60 = 118,083.49 : x
  2. Step 2: Convert to fraction form
    198,713.02/274,127.60 = 118,083.49/x
  3. Step 3: Cross multiply
    198,713.02x = 274,127.60 × 118,083.49
  4. Step 4: Simplify right side
    198,713.02x = 32,369,943,713.32
  5. Step 5: Solve for x
    x = 32,369,943,713.32/198,713.02
  6. Step 6: Final answer
    x = 162,897.95

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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.