Home / 102,896.20-154,329.90-32,782.60

Finding the Fourth Proportional to 102,896.20, 154,329.90 and 32,782.60

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Solution

The fourth proportional to 102,896.20, 154,329.90 and 32,782.60 is: 49,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,896.20 : 154,329.90 = 32,782.60 : x
  2. Step 2: Convert to fraction form
    102,896.20/154,329.90 = 32,782.60/x
  3. Step 3: Cross multiply
    102,896.20x = 154,329.90 × 32,782.60
  4. Step 4: Simplify right side
    102,896.20x = 5,059,335,379.74
  5. Step 5: Solve for x
    x = 5,059,335,379.74/102,896.20
  6. Step 6: Final answer
    x = 49,169.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.