Home / 199,107.80-274,768.76-109,683.80

Finding the Fourth Proportional to 199,107.80, 274,768.76 and 109,683.80

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Solution

The fourth proportional to 199,107.80, 274,768.76 and 109,683.80 is: 151,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,107.80 : 274,768.76 = 109,683.80 : x
  2. Step 2: Convert to fraction form
    199,107.80/274,768.76 = 109,683.80/x
  3. Step 3: Cross multiply
    199,107.80x = 274,768.76 × 109,683.80
  4. Step 4: Simplify right side
    199,107.80x = 30,137,681,718.09
  5. Step 5: Solve for x
    x = 30,137,681,718.09/199,107.80
  6. Step 6: Final answer
    x = 151,363.64

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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.