Home / 320,840.93-481,734.50-178,963.41

Finding the Fourth Proportional to 320,840.93, 481,734.50 and 178,963.41

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Solution

The fourth proportional to 320,840.93, 481,734.50 and 178,963.41 is: 268,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,840.93 : 481,734.50 = 178,963.41 : x
  2. Step 2: Convert to fraction form
    320,840.93/481,734.50 = 178,963.41/x
  3. Step 3: Cross multiply
    320,840.93x = 481,734.50 × 178,963.41
  4. Step 4: Simplify right side
    320,840.93x = 86,212,847,939.83
  5. Step 5: Solve for x
    x = 86,212,847,939.83/320,840.93
  6. Step 6: Final answer
    x = 268,709.01

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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.