Home / 320,848.25-481,745.46-178,970.72

Finding the Fourth Proportional to 320,848.25, 481,745.46 and 178,970.72

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Solution

The fourth proportional to 320,848.25, 481,745.46 and 178,970.72 is: 268,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,848.25 : 481,745.46 = 178,970.72 : x
  2. Step 2: Convert to fraction form
    320,848.25/481,745.46 = 178,970.72/x
  3. Step 3: Cross multiply
    320,848.25x = 481,745.46 × 178,970.72
  4. Step 4: Simplify right side
    320,848.25x = 86,218,329,424.20
  5. Step 5: Solve for x
    x = 86,218,329,424.20/320,848.25
  6. Step 6: Final answer
    x = 268,719.97

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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.