Home / 236,104.38-325,814.54-128,672.09

Finding the Fourth Proportional to 236,104.38, 325,814.54 and 128,672.09

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Solution

The fourth proportional to 236,104.38, 325,814.54 and 128,672.09 is: 177,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,104.38 : 325,814.54 = 128,672.09 : x
  2. Step 2: Convert to fraction form
    236,104.38/325,814.54 = 128,672.09/x
  3. Step 3: Cross multiply
    236,104.38x = 325,814.54 × 128,672.09
  4. Step 4: Simplify right side
    236,104.38x = 41,923,236,763.56
  5. Step 5: Solve for x
    x = 41,923,236,763.56/236,104.38
  6. Step 6: Final answer
    x = 177,562.30

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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.