Home / 146,711.10-219,738.60-127,028.10

Finding the Fourth Proportional to 146,711.10, 219,738.60 and 127,028.10

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Solution

The fourth proportional to 146,711.10, 219,738.60 and 127,028.10 is: 190,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,711.10 : 219,738.60 = 127,028.10 : x
  2. Step 2: Convert to fraction form
    146,711.10/219,738.60 = 127,028.10/x
  3. Step 3: Cross multiply
    146,711.10x = 219,738.60 × 127,028.10
  4. Step 4: Simplify right side
    146,711.10x = 27,912,976,854.66
  5. Step 5: Solve for x
    x = 27,912,976,854.66/146,711.10
  6. Step 6: Final answer
    x = 190,258.11

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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.