Home / 211,991.58-292,546.53-115,194.42

Finding the Fourth Proportional to 211,991.58, 292,546.53 and 115,194.42

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Solution

The fourth proportional to 211,991.58, 292,546.53 and 115,194.42 is: 158,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,991.58 : 292,546.53 = 115,194.42 : x
  2. Step 2: Convert to fraction form
    211,991.58/292,546.53 = 115,194.42/x
  3. Step 3: Cross multiply
    211,991.58x = 292,546.53 × 115,194.42
  4. Step 4: Simplify right side
    211,991.58x = 33,699,727,846.36
  5. Step 5: Solve for x
    x = 33,699,727,846.36/211,991.58
  6. Step 6: Final answer
    x = 158,967.29

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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.