Home / 198,724.56-274,143.44-118,095.04

Finding the Fourth Proportional to 198,724.56, 274,143.44 and 118,095.04

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Solution

The fourth proportional to 198,724.56, 274,143.44 and 118,095.04 is: 162,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,724.56 : 274,143.44 = 118,095.04 : x
  2. Step 2: Convert to fraction form
    198,724.56/274,143.44 = 118,095.04/x
  3. Step 3: Cross multiply
    198,724.56x = 274,143.44 × 118,095.04
  4. Step 4: Simplify right side
    198,724.56x = 32,374,980,512.54
  5. Step 5: Solve for x
    x = 32,374,980,512.54/198,724.56
  6. Step 6: Final answer
    x = 162,913.84

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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.