Home / 186,949.34-279,976.95-107,823.68

Finding the Fourth Proportional to 186,949.34, 279,976.95 and 107,823.68

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Solution

The fourth proportional to 186,949.34, 279,976.95 and 107,823.68 is: 161,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,949.34 : 279,976.95 = 107,823.68 : x
  2. Step 2: Convert to fraction form
    186,949.34/279,976.95 = 107,823.68/x
  3. Step 3: Cross multiply
    186,949.34x = 279,976.95 × 107,823.68
  4. Step 4: Simplify right side
    186,949.34x = 30,188,143,664.29
  5. Step 5: Solve for x
    x = 30,188,143,664.29/186,949.34
  6. Step 6: Final answer
    x = 161,477.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.