Home / 198,609.46-274,050.66-112,563.52

Finding the Fourth Proportional to 198,609.46, 274,050.66 and 112,563.52

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Solution

The fourth proportional to 198,609.46, 274,050.66 and 112,563.52 is: 155,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,609.46 : 274,050.66 = 112,563.52 : x
  2. Step 2: Convert to fraction form
    198,609.46/274,050.66 = 112,563.52/x
  3. Step 3: Cross multiply
    198,609.46x = 274,050.66 × 112,563.52
  4. Step 4: Simplify right side
    198,609.46x = 30,848,106,947.92
  5. Step 5: Solve for x
    x = 30,848,106,947.92/198,609.46
  6. Step 6: Final answer
    x = 155,320.43

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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.