Home / 134,198.55-185,196.31-73,771.74

Finding the Fourth Proportional to 134,198.55, 185,196.31 and 73,771.74

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Solution

The fourth proportional to 134,198.55, 185,196.31 and 73,771.74 is: 101,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,198.55 : 185,196.31 = 73,771.74 : x
  2. Step 2: Convert to fraction form
    134,198.55/185,196.31 = 73,771.74/x
  3. Step 3: Cross multiply
    134,198.55x = 185,196.31 × 73,771.74
  4. Step 4: Simplify right side
    134,198.55x = 13,662,253,845.85
  5. Step 5: Solve for x
    x = 13,662,253,845.85/134,198.55
  6. Step 6: Final answer
    x = 101,806.27

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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.