Home / 203,440.37-305,258.93-124,511.54

Finding the Fourth Proportional to 203,440.37, 305,258.93 and 124,511.54

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Solution

The fourth proportional to 203,440.37, 305,258.93 and 124,511.54 is: 186,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,440.37 : 305,258.93 = 124,511.54 : x
  2. Step 2: Convert to fraction form
    203,440.37/305,258.93 = 124,511.54/x
  3. Step 3: Cross multiply
    203,440.37x = 305,258.93 × 124,511.54
  4. Step 4: Simplify right side
    203,440.37x = 38,008,257,324.20
  5. Step 5: Solve for x
    x = 38,008,257,324.20/203,440.37
  6. Step 6: Final answer
    x = 186,827.51

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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.