Home / 149,271.24-205,984.92-82,203.24

Finding the Fourth Proportional to 149,271.24, 205,984.92 and 82,203.24

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Solution

The fourth proportional to 149,271.24, 205,984.92 and 82,203.24 is: 113,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,271.24 : 205,984.92 = 82,203.24 : x
  2. Step 2: Convert to fraction form
    149,271.24/205,984.92 = 82,203.24/x
  3. Step 3: Cross multiply
    149,271.24x = 205,984.92 × 82,203.24
  4. Step 4: Simplify right side
    149,271.24x = 16,932,627,815.14
  5. Step 5: Solve for x
    x = 16,932,627,815.14/149,271.24
  6. Step 6: Final answer
    x = 113,435.30

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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.