Home / 198,612.54-274,173.66-118,066.14

Finding the Fourth Proportional to 198,612.54, 274,173.66 and 118,066.14

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Solution

The fourth proportional to 198,612.54, 274,173.66 and 118,066.14 is: 162,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,612.54 : 274,173.66 = 118,066.14 : x
  2. Step 2: Convert to fraction form
    198,612.54/274,173.66 = 118,066.14/x
  3. Step 3: Cross multiply
    198,612.54x = 274,173.66 × 118,066.14
  4. Step 4: Simplify right side
    198,612.54x = 32,370,625,725.87
  5. Step 5: Solve for x
    x = 32,370,625,725.87/198,612.54
  6. Step 6: Final answer
    x = 162,983.80

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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.