Home / 286,508.06-394,970.52-201,360.86

Finding the Fourth Proportional to 286,508.06, 394,970.52 and 201,360.86

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Solution

The fourth proportional to 286,508.06, 394,970.52 and 201,360.86 is: 277,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,508.06 : 394,970.52 = 201,360.86 : x
  2. Step 2: Convert to fraction form
    286,508.06/394,970.52 = 201,360.86/x
  3. Step 3: Cross multiply
    286,508.06x = 394,970.52 × 201,360.86
  4. Step 4: Simplify right side
    286,508.06x = 79,531,603,581.85
  5. Step 5: Solve for x
    x = 79,531,603,581.85/286,508.06
  6. Step 6: Final answer
    x = 277,589.41

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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.