Home / 213,890.54-320,725.05-114,023.91

Finding the Fourth Proportional to 213,890.54, 320,725.05 and 114,023.91

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Solution

The fourth proportional to 213,890.54, 320,725.05 and 114,023.91 is: 170,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890.54 : 320,725.05 = 114,023.91 : x
  2. Step 2: Convert to fraction form
    213,890.54/320,725.05 = 114,023.91/x
  3. Step 3: Cross multiply
    213,890.54x = 320,725.05 × 114,023.91
  4. Step 4: Simplify right side
    213,890.54x = 36,570,324,235.95
  5. Step 5: Solve for x
    x = 36,570,324,235.95/213,890.54
  6. Step 6: Final answer
    x = 170,976.82

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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.