Home / 225,458.16-338,192.70-75,703.33

Finding the Fourth Proportional to 225,458.16, 338,192.70 and 75,703.33

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Solution

The fourth proportional to 225,458.16, 338,192.70 and 75,703.33 is: 113,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,458.16 : 338,192.70 = 75,703.33 : x
  2. Step 2: Convert to fraction form
    225,458.16/338,192.70 = 75,703.33/x
  3. Step 3: Cross multiply
    225,458.16x = 338,192.70 × 75,703.33
  4. Step 4: Simplify right side
    225,458.16x = 25,602,313,571.69
  5. Step 5: Solve for x
    x = 25,602,313,571.69/225,458.16
  6. Step 6: Final answer
    x = 113,556.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.