Home / 321,265.37-481,835.75-121,601.33

Finding the Fourth Proportional to 321,265.37, 481,835.75 and 121,601.33

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Solution

The fourth proportional to 321,265.37, 481,835.75 and 121,601.33 is: 182,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,265.37 : 481,835.75 = 121,601.33 : x
  2. Step 2: Convert to fraction form
    321,265.37/481,835.75 = 121,601.33/x
  3. Step 3: Cross multiply
    321,265.37x = 481,835.75 × 121,601.33
  4. Step 4: Simplify right side
    321,265.37x = 58,591,868,041.55
  5. Step 5: Solve for x
    x = 58,591,868,041.55/321,265.37
  6. Step 6: Final answer
    x = 182,378.41

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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.