Home / 221,974.43-332,435.54-127,256.06

Finding the Fourth Proportional to 221,974.43, 332,435.54 and 127,256.06

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Solution

The fourth proportional to 221,974.43, 332,435.54 and 127,256.06 is: 190,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,974.43 : 332,435.54 = 127,256.06 : x
  2. Step 2: Convert to fraction form
    221,974.43/332,435.54 = 127,256.06/x
  3. Step 3: Cross multiply
    221,974.43x = 332,435.54 × 127,256.06
  4. Step 4: Simplify right side
    221,974.43x = 42,304,438,173.60
  5. Step 5: Solve for x
    x = 42,304,438,173.60/221,974.43
  6. Step 6: Final answer
    x = 190,582.49

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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.