Home / 221,601.44-332,024.04-121,845.20

Finding the Fourth Proportional to 221,601.44, 332,024.04 and 121,845.20

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Solution

The fourth proportional to 221,601.44, 332,024.04 and 121,845.20 is: 182,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,601.44 : 332,024.04 = 121,845.20 : x
  2. Step 2: Convert to fraction form
    221,601.44/332,024.04 = 121,845.20/x
  3. Step 3: Cross multiply
    221,601.44x = 332,024.04 × 121,845.20
  4. Step 4: Simplify right side
    221,601.44x = 40,455,535,558.61
  5. Step 5: Solve for x
    x = 40,455,535,558.61/221,601.44
  6. Step 6: Final answer
    x = 182,559.89

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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.