Home / 213,947.54-295,246.49-117,149.64

Finding the Fourth Proportional to 213,947.54, 295,246.49 and 117,149.64

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Solution

The fourth proportional to 213,947.54, 295,246.49 and 117,149.64 is: 161,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,947.54 : 295,246.49 = 117,149.64 : x
  2. Step 2: Convert to fraction form
    213,947.54/295,246.49 = 117,149.64/x
  3. Step 3: Cross multiply
    213,947.54x = 295,246.49 × 117,149.64
  4. Step 4: Simplify right side
    213,947.54x = 34,588,019,429.02
  5. Step 5: Solve for x
    x = 34,588,019,429.02/213,947.54
  6. Step 6: Final answer
    x = 161,665.89

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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.