Home / 366,928.36-550,355.58-100,715.68

Finding the Fourth Proportional to 366,928.36, 550,355.58 and 100,715.68

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Solution

The fourth proportional to 366,928.36, 550,355.58 and 100,715.68 is: 151,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,928.36 : 550,355.58 = 100,715.68 : x
  2. Step 2: Convert to fraction form
    366,928.36/550,355.58 = 100,715.68/x
  3. Step 3: Cross multiply
    366,928.36x = 550,355.58 × 100,715.68
  4. Step 4: Simplify right side
    366,928.36x = 55,429,436,481.49
  5. Step 5: Solve for x
    x = 55,429,436,481.49/366,928.36
  6. Step 6: Final answer
    x = 151,063.38

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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.