Home / 165,405.79-228,162.81-104,054.41

Finding the Fourth Proportional to 165,405.79, 228,162.81 and 104,054.41

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Solution

The fourth proportional to 165,405.79, 228,162.81 and 104,054.41 is: 143,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,405.79 : 228,162.81 = 104,054.41 : x
  2. Step 2: Convert to fraction form
    165,405.79/228,162.81 = 104,054.41/x
  3. Step 3: Cross multiply
    165,405.79x = 228,162.81 × 104,054.41
  4. Step 4: Simplify right side
    165,405.79x = 23,741,346,578.49
  5. Step 5: Solve for x
    x = 23,741,346,578.49/165,405.79
  6. Step 6: Final answer
    x = 143,533.95

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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.