Home / 455,056.32-682,584.84-188,745.36

Finding the Fourth Proportional to 455,056.32, 682,584.84 and 188,745.36

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Solution

The fourth proportional to 455,056.32, 682,584.84 and 188,745.36 is: 283,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,056.32 : 682,584.84 = 188,745.36 : x
  2. Step 2: Convert to fraction form
    455,056.32/682,584.84 = 188,745.36/x
  3. Step 3: Cross multiply
    455,056.32x = 682,584.84 × 188,745.36
  4. Step 4: Simplify right side
    455,056.32x = 128,834,721,356.34
  5. Step 5: Solve for x
    x = 128,834,721,356.34/455,056.32
  6. Step 6: Final answer
    x = 283,118.19

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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.