Home / 234,845.78-324,087.20-127,415.82

Finding the Fourth Proportional to 234,845.78, 324,087.20 and 127,415.82

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Solution

The fourth proportional to 234,845.78, 324,087.20 and 127,415.82 is: 175,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,845.78 : 324,087.20 = 127,415.82 : x
  2. Step 2: Convert to fraction form
    234,845.78/324,087.20 = 127,415.82/x
  3. Step 3: Cross multiply
    234,845.78x = 324,087.20 × 127,415.82
  4. Step 4: Simplify right side
    234,845.78x = 41,293,837,395.56
  5. Step 5: Solve for x
    x = 41,293,837,395.56/234,845.78
  6. Step 6: Final answer
    x = 175,833.85

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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.