Home / 186,819.72-257,816.92-106,258.86

Finding the Fourth Proportional to 186,819.72, 257,816.92 and 106,258.86

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Solution

The fourth proportional to 186,819.72, 257,816.92 and 106,258.86 is: 146,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,819.72 : 257,816.92 = 106,258.86 : x
  2. Step 2: Convert to fraction form
    186,819.72/257,816.92 = 106,258.86/x
  3. Step 3: Cross multiply
    186,819.72x = 257,816.92 × 106,258.86
  4. Step 4: Simplify right side
    186,819.72x = 27,395,332,007.91
  5. Step 5: Solve for x
    x = 27,395,332,007.91/186,819.72
  6. Step 6: Final answer
    x = 146,640.47

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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.