Home / 186,819.71-257,816.88-106,258.83

Finding the Fourth Proportional to 186,819.71, 257,816.88 and 106,258.83

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Solution

The fourth proportional to 186,819.71, 257,816.88 and 106,258.83 is: 146,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,819.71 : 257,816.88 = 106,258.83 : x
  2. Step 2: Convert to fraction form
    186,819.71/257,816.88 = 106,258.83/x
  3. Step 3: Cross multiply
    186,819.71x = 257,816.88 × 106,258.83
  4. Step 4: Simplify right side
    186,819.71x = 27,395,320,023.05
  5. Step 5: Solve for x
    x = 27,395,320,023.05/186,819.71
  6. Step 6: Final answer
    x = 146,640.42

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1.5x scale

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.