Home / 186,819.33-257,816.37-106,258.44

Finding the Fourth Proportional to 186,819.33, 257,816.37 and 106,258.44

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Solution

The fourth proportional to 186,819.33, 257,816.37 and 106,258.44 is: 146,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,819.33 : 257,816.37 = 106,258.44 : x
  2. Step 2: Convert to fraction form
    186,819.33/257,816.37 = 106,258.44/x
  3. Step 3: Cross multiply
    186,819.33x = 257,816.37 × 106,258.44
  4. Step 4: Simplify right side
    186,819.33x = 27,395,165,282.66
  5. Step 5: Solve for x
    x = 27,395,165,282.66/186,819.33
  6. Step 6: Final answer
    x = 146,639.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.