Home / 198,638.01-274,114.68-112,604.97

Finding the Fourth Proportional to 198,638.01, 274,114.68 and 112,604.97

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Solution

The fourth proportional to 198,638.01, 274,114.68 and 112,604.97 is: 155,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,638.01 : 274,114.68 = 112,604.97 : x
  2. Step 2: Convert to fraction form
    198,638.01/274,114.68 = 112,604.97/x
  3. Step 3: Cross multiply
    198,638.01x = 274,114.68 × 112,604.97
  4. Step 4: Simplify right side
    198,638.01x = 30,866,675,317.96
  5. Step 5: Solve for x
    x = 30,866,675,317.96/198,638.01
  6. Step 6: Final answer
    x = 155,391.59

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1.5x scale

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.