Home / 221,845.80-332,574.30-133,134.60

Finding the Fourth Proportional to 221,845.80, 332,574.30 and 133,134.60

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Solution

The fourth proportional to 221,845.80, 332,574.30 and 133,134.60 is: 199,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,845.80 : 332,574.30 = 133,134.60 : x
  2. Step 2: Convert to fraction form
    221,845.80/332,574.30 = 133,134.60/x
  3. Step 3: Cross multiply
    221,845.80x = 332,574.30 × 133,134.60
  4. Step 4: Simplify right side
    221,845.80x = 44,277,146,400.78
  5. Step 5: Solve for x
    x = 44,277,146,400.78/221,845.80
  6. Step 6: Final answer
    x = 199,585.24

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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.