Home / 197,083.31-271,977.03-112,205.84

Finding the Fourth Proportional to 197,083.31, 271,977.03 and 112,205.84

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Solution

The fourth proportional to 197,083.31, 271,977.03 and 112,205.84 is: 154,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,083.31 : 271,977.03 = 112,205.84 : x
  2. Step 2: Convert to fraction form
    197,083.31/271,977.03 = 112,205.84/x
  3. Step 3: Cross multiply
    197,083.31x = 271,977.03 × 112,205.84
  4. Step 4: Simplify right side
    197,083.31x = 30,517,409,751.97
  5. Step 5: Solve for x
    x = 30,517,409,751.97/197,083.31
  6. Step 6: Final answer
    x = 154,845.23

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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.