Home / 186,819.05-257,815.97-106,258.16

Finding the Fourth Proportional to 186,819.05, 257,815.97 and 106,258.16

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Solution

The fourth proportional to 186,819.05, 257,815.97 and 106,258.16 is: 146,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,819.05 : 257,815.97 = 106,258.16 : x
  2. Step 2: Convert to fraction form
    186,819.05/257,815.97 = 106,258.16/x
  3. Step 3: Cross multiply
    186,819.05x = 257,815.97 × 106,258.16
  4. Step 4: Simplify right side
    186,819.05x = 27,395,051,102.53
  5. Step 5: Solve for x
    x = 27,395,051,102.53/186,819.05
  6. Step 6: Final answer
    x = 146,639.49

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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.