Home / 188,453.37-260,126.25-120,652.95

Finding the Fourth Proportional to 188,453.37, 260,126.25 and 120,652.95

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Solution

The fourth proportional to 188,453.37, 260,126.25 and 120,652.95 is: 166,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,453.37 : 260,126.25 = 120,652.95 : x
  2. Step 2: Convert to fraction form
    188,453.37/260,126.25 = 120,652.95/x
  3. Step 3: Cross multiply
    188,453.37x = 260,126.25 × 120,652.95
  4. Step 4: Simplify right side
    188,453.37x = 31,384,999,434.94
  5. Step 5: Solve for x
    x = 31,384,999,434.94/188,453.37
  6. Step 6: Final answer
    x = 166,539.87

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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.