Home / 179,712.20-269,438.70-100,850.60

Finding the Fourth Proportional to 179,712.20, 269,438.70 and 100,850.60

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Solution

The fourth proportional to 179,712.20, 269,438.70 and 100,850.60 is: 151,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,712.20 : 269,438.70 = 100,850.60 : x
  2. Step 2: Convert to fraction form
    179,712.20/269,438.70 = 100,850.60/x
  3. Step 3: Cross multiply
    179,712.20x = 269,438.70 × 100,850.60
  4. Step 4: Simplify right side
    179,712.20x = 27,173,054,558.22
  5. Step 5: Solve for x
    x = 27,173,054,558.22/179,712.20
  6. Step 6: Final answer
    x = 151,203.17

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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.