Home / 213,909.35-295,198.38-117,111.59

Finding the Fourth Proportional to 213,909.35, 295,198.38 and 117,111.59

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Solution

The fourth proportional to 213,909.35, 295,198.38 and 117,111.59 is: 161,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,909.35 : 295,198.38 = 117,111.59 : x
  2. Step 2: Convert to fraction form
    213,909.35/295,198.38 = 117,111.59/x
  3. Step 3: Cross multiply
    213,909.35x = 295,198.38 × 117,111.59
  4. Step 4: Simplify right side
    213,909.35x = 34,571,150,171.23
  5. Step 5: Solve for x
    x = 34,571,150,171.23/213,909.35
  6. Step 6: Final answer
    x = 161,615.89

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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.