Home / 256,629.94-354,145.61-141,906.06

Finding the Fourth Proportional to 256,629.94, 354,145.61 and 141,906.06

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Solution

The fourth proportional to 256,629.94, 354,145.61 and 141,906.06 is: 195,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,629.94 : 354,145.61 = 141,906.06 : x
  2. Step 2: Convert to fraction form
    256,629.94/354,145.61 = 141,906.06/x
  3. Step 3: Cross multiply
    256,629.94x = 354,145.61 × 141,906.06
  4. Step 4: Simplify right side
    256,629.94x = 50,255,408,536.16
  5. Step 5: Solve for x
    x = 50,255,408,536.16/256,629.94
  6. Step 6: Final answer
    x = 195,828.32

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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.