Home / 199,109.95-274,771.61-109,685.95

Finding the Fourth Proportional to 199,109.95, 274,771.61 and 109,685.95

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Solution

The fourth proportional to 199,109.95, 274,771.61 and 109,685.95 is: 151,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,109.95 : 274,771.61 = 109,685.95 : x
  2. Step 2: Convert to fraction form
    199,109.95/274,771.61 = 109,685.95/x
  3. Step 3: Cross multiply
    199,109.95x = 274,771.61 × 109,685.95
  4. Step 4: Simplify right side
    199,109.95x = 30,138,585,075.88
  5. Step 5: Solve for x
    x = 30,138,585,075.88/199,109.95
  6. Step 6: Final answer
    x = 151,366.54

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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.