Home / 236,205.49-325,960.46-128,775.34

Finding the Fourth Proportional to 236,205.49, 325,960.46 and 128,775.34

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Solution

The fourth proportional to 236,205.49, 325,960.46 and 128,775.34 is: 177,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,205.49 : 325,960.46 = 128,775.34 : x
  2. Step 2: Convert to fraction form
    236,205.49/325,960.46 = 128,775.34/x
  3. Step 3: Cross multiply
    236,205.49x = 325,960.46 × 128,775.34
  4. Step 4: Simplify right side
    236,205.49x = 41,975,669,063.06
  5. Step 5: Solve for x
    x = 41,975,669,063.06/236,205.49
  6. Step 6: Final answer
    x = 177,708.27

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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.