Home / 164,708.49-227,291.63-89,255.37

Finding the Fourth Proportional to 164,708.49, 227,291.63 and 89,255.37

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Solution

The fourth proportional to 164,708.49, 227,291.63 and 89,255.37 is: 123,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,708.49 : 227,291.63 = 89,255.37 : x
  2. Step 2: Convert to fraction form
    164,708.49/227,291.63 = 89,255.37/x
  3. Step 3: Cross multiply
    164,708.49x = 227,291.63 × 89,255.37
  4. Step 4: Simplify right side
    164,708.49x = 20,286,998,087.28
  5. Step 5: Solve for x
    x = 20,286,998,087.28/164,708.49
  6. Step 6: Final answer
    x = 123,169.11

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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.