Home / 165,119.30-227,786.39-111,421.62

Finding the Fourth Proportional to 165,119.30, 227,786.39 and 111,421.62

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Solution

The fourth proportional to 165,119.30, 227,786.39 and 111,421.62 is: 153,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,119.30 : 227,786.39 = 111,421.62 : x
  2. Step 2: Convert to fraction form
    165,119.30/227,786.39 = 111,421.62/x
  3. Step 3: Cross multiply
    165,119.30x = 227,786.39 × 111,421.62
  4. Step 4: Simplify right side
    165,119.30x = 25,380,327,448.82
  5. Step 5: Solve for x
    x = 25,380,327,448.82/165,119.30
  6. Step 6: Final answer
    x = 153,709.03

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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.