Home / 236,020.37-325,711.85-128,590.37

Finding the Fourth Proportional to 236,020.37, 325,711.85 and 128,590.37

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Solution

The fourth proportional to 236,020.37, 325,711.85 and 128,590.37 is: 177,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,020.37 : 325,711.85 = 128,590.37 : x
  2. Step 2: Convert to fraction form
    236,020.37/325,711.85 = 128,590.37/x
  3. Step 3: Cross multiply
    236,020.37x = 325,711.85 × 128,590.37
  4. Step 4: Simplify right side
    236,020.37x = 41,883,407,958.43
  5. Step 5: Solve for x
    x = 41,883,407,958.43/236,020.37
  6. Step 6: Final answer
    x = 177,456.75

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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.