Home / 285,917.92-394,533.12-158,562.24

Finding the Fourth Proportional to 285,917.92, 394,533.12 and 158,562.24

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Solution

The fourth proportional to 285,917.92, 394,533.12 and 158,562.24 is: 218,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,917.92 : 394,533.12 = 158,562.24 : x
  2. Step 2: Convert to fraction form
    285,917.92/394,533.12 = 158,562.24/x
  3. Step 3: Cross multiply
    285,917.92x = 394,533.12 × 158,562.24
  4. Step 4: Simplify right side
    285,917.92x = 62,558,055,261.39
  5. Step 5: Solve for x
    x = 62,558,055,261.39/285,917.92
  6. Step 6: Final answer
    x = 218,797.25

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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.