Home / 164,660.09-227,231.87-89,208.59

Finding the Fourth Proportional to 164,660.09, 227,231.87 and 89,208.59

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Solution

The fourth proportional to 164,660.09, 227,231.87 and 89,208.59 is: 123,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,660.09 : 227,231.87 = 89,208.59 : x
  2. Step 2: Convert to fraction form
    164,660.09/227,231.87 = 89,208.59/x
  3. Step 3: Cross multiply
    164,660.09x = 227,231.87 × 89,208.59
  4. Step 4: Simplify right side
    164,660.09x = 20,271,033,143.56
  5. Step 5: Solve for x
    x = 20,271,033,143.56/164,660.09
  6. Step 6: Final answer
    x = 123,108.36

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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.