Home / 147,977.44-204,198.24-91,389.76

Finding the Fourth Proportional to 147,977.44, 204,198.24 and 91,389.76

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Solution

The fourth proportional to 147,977.44, 204,198.24 and 91,389.76 is: 126,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,977.44 : 204,198.24 = 91,389.76 : x
  2. Step 2: Convert to fraction form
    147,977.44/204,198.24 = 91,389.76/x
  3. Step 3: Cross multiply
    147,977.44x = 204,198.24 × 91,389.76
  4. Step 4: Simplify right side
    147,977.44x = 18,661,628,146.02
  5. Step 5: Solve for x
    x = 18,661,628,146.02/147,977.44
  6. Step 6: Final answer
    x = 126,111.31

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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.