Home / 236,042.53-325,738.73-128,612.57

Finding the Fourth Proportional to 236,042.53, 325,738.73 and 128,612.57

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Solution

The fourth proportional to 236,042.53, 325,738.73 and 128,612.57 is: 177,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,042.53 : 325,738.73 = 128,612.57 : x
  2. Step 2: Convert to fraction form
    236,042.53/325,738.73 = 128,612.57/x
  3. Step 3: Cross multiply
    236,042.53x = 325,738.73 × 128,612.57
  4. Step 4: Simplify right side
    236,042.53x = 41,894,095,654.44
  5. Step 5: Solve for x
    x = 41,894,095,654.44/236,042.53
  6. Step 6: Final answer
    x = 177,485.37

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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.