Home / 165,131.88-227,951.68-111,489.52

Finding the Fourth Proportional to 165,131.88, 227,951.68 and 111,489.52

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Solution

The fourth proportional to 165,131.88, 227,951.68 and 111,489.52 is: 153,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,131.88 : 227,951.68 = 111,489.52 : x
  2. Step 2: Convert to fraction form
    165,131.88/227,951.68 = 111,489.52/x
  3. Step 3: Cross multiply
    165,131.88x = 227,951.68 × 111,489.52
  4. Step 4: Simplify right side
    165,131.88x = 25,414,223,386.39
  5. Step 5: Solve for x
    x = 25,414,223,386.39/165,131.88
  6. Step 6: Final answer
    x = 153,902.59

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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.