Home / 199,109.83-274,771.44-109,685.83

Finding the Fourth Proportional to 199,109.83, 274,771.44 and 109,685.83

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Solution

The fourth proportional to 199,109.83, 274,771.44 and 109,685.83 is: 151,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,109.83 : 274,771.44 = 109,685.83 : x
  2. Step 2: Convert to fraction form
    199,109.83/274,771.44 = 109,685.83/x
  3. Step 3: Cross multiply
    199,109.83x = 274,771.44 × 109,685.83
  4. Step 4: Simplify right side
    199,109.83x = 30,138,531,534.41
  5. Step 5: Solve for x
    x = 30,138,531,534.41/199,109.83
  6. Step 6: Final answer
    x = 151,366.37

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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.