Home / 186,819.56-257,816.66-106,258.67

Finding the Fourth Proportional to 186,819.56, 257,816.66 and 106,258.67

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Solution

The fourth proportional to 186,819.56, 257,816.66 and 106,258.67 is: 146,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,819.56 : 257,816.66 = 106,258.67 : x
  2. Step 2: Convert to fraction form
    186,819.56/257,816.66 = 106,258.67/x
  3. Step 3: Cross multiply
    186,819.56x = 257,816.66 × 106,258.67
  4. Step 4: Simplify right side
    186,819.56x = 27,395,254,106.36
  5. Step 5: Solve for x
    x = 27,395,254,106.36/186,819.56
  6. Step 6: Final answer
    x = 146,640.18

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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.