Home / 211,105.96-291,326.66-114,310.84

Finding the Fourth Proportional to 211,105.96, 291,326.66 and 114,310.84

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Solution

The fourth proportional to 211,105.96, 291,326.66 and 114,310.84 is: 157,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,105.96 : 291,326.66 = 114,310.84 : x
  2. Step 2: Convert to fraction form
    211,105.96/291,326.66 = 114,310.84/x
  3. Step 3: Cross multiply
    211,105.96x = 291,326.66 × 114,310.84
  4. Step 4: Simplify right side
    211,105.96x = 33,301,795,218.99
  5. Step 5: Solve for x
    x = 33,301,795,218.99/211,105.96
  6. Step 6: Final answer
    x = 157,749.19

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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.