Home / 262,735.36-394,158.39-85,228.51

Finding the Fourth Proportional to 262,735.36, 394,158.39 and 85,228.51

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Solution

The fourth proportional to 262,735.36, 394,158.39 and 85,228.51 is: 127,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,735.36 : 394,158.39 = 85,228.51 : x
  2. Step 2: Convert to fraction form
    262,735.36/394,158.39 = 85,228.51/x
  3. Step 3: Cross multiply
    262,735.36x = 394,158.39 × 85,228.51
  4. Step 4: Simplify right side
    262,735.36x = 33,593,529,886.76
  5. Step 5: Solve for x
    x = 33,593,529,886.76/262,735.36
  6. Step 6: Final answer
    x = 127,860.71

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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.