Home / 147,821.06-203,932.66-109,151.54

Finding the Fourth Proportional to 147,821.06, 203,932.66 and 109,151.54

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Solution

The fourth proportional to 147,821.06, 203,932.66 and 109,151.54 is: 150,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,821.06 : 203,932.66 = 109,151.54 : x
  2. Step 2: Convert to fraction form
    147,821.06/203,932.66 = 109,151.54/x
  3. Step 3: Cross multiply
    147,821.06x = 203,932.66 × 109,151.54
  4. Step 4: Simplify right side
    147,821.06x = 22,259,563,895.30
  5. Step 5: Solve for x
    x = 22,259,563,895.30/147,821.06
  6. Step 6: Final answer
    x = 150,584.52

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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.