Home / 118,845.82-178,183.95-55,631.40

Finding the Fourth Proportional to 118,845.82, 178,183.95 and 55,631.40

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Solution

The fourth proportional to 118,845.82, 178,183.95 and 55,631.40 is: 83,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,845.82 : 178,183.95 = 55,631.40 : x
  2. Step 2: Convert to fraction form
    118,845.82/178,183.95 = 55,631.40/x
  3. Step 3: Cross multiply
    118,845.82x = 178,183.95 × 55,631.40
  4. Step 4: Simplify right side
    118,845.82x = 9,912,622,596.03
  5. Step 5: Solve for x
    x = 9,912,622,596.03/118,845.82
  6. Step 6: Final answer
    x = 83,407.41

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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.