Home / 213,945.54-295,249.35-117,153.47

Finding the Fourth Proportional to 213,945.54, 295,249.35 and 117,153.47

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Solution

The fourth proportional to 213,945.54, 295,249.35 and 117,153.47 is: 161,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,945.54 : 295,249.35 = 117,153.47 : x
  2. Step 2: Convert to fraction form
    213,945.54/295,249.35 = 117,153.47/x
  3. Step 3: Cross multiply
    213,945.54x = 295,249.35 × 117,153.47
  4. Step 4: Simplify right side
    213,945.54x = 34,589,485,281.98
  5. Step 5: Solve for x
    x = 34,589,485,281.98/213,945.54
  6. Step 6: Final answer
    x = 161,674.26

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1.5x scale

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.