Home / 221,719.41-332,661.74-133,036.56

Finding the Fourth Proportional to 221,719.41, 332,661.74 and 133,036.56

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Solution

The fourth proportional to 221,719.41, 332,661.74 and 133,036.56 is: 199,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,719.41 : 332,661.74 = 133,036.56 : x
  2. Step 2: Convert to fraction form
    221,719.41/332,661.74 = 133,036.56/x
  3. Step 3: Cross multiply
    221,719.41x = 332,661.74 × 133,036.56
  4. Step 4: Simplify right side
    221,719.41x = 44,256,172,868.03
  5. Step 5: Solve for x
    x = 44,256,172,868.03/221,719.41
  6. Step 6: Final answer
    x = 199,604.41

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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.