Home / 199,085.25-274,737.66-109,661.25

Finding the Fourth Proportional to 199,085.25, 274,737.66 and 109,661.25

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Solution

The fourth proportional to 199,085.25, 274,737.66 and 109,661.25 is: 151,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,085.25 : 274,737.66 = 109,661.25 : x
  2. Step 2: Convert to fraction form
    199,085.25/274,737.66 = 109,661.25/x
  3. Step 3: Cross multiply
    199,085.25x = 274,737.66 × 109,661.25
  4. Step 4: Simplify right side
    199,085.25x = 30,128,075,217.68
  5. Step 5: Solve for x
    x = 30,128,075,217.68/199,085.25
  6. Step 6: Final answer
    x = 151,332.53

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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.