Home / 320,974.96-481,542.40-96,339.55

Finding the Fourth Proportional to 320,974.96, 481,542.40 and 96,339.55

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Solution

The fourth proportional to 320,974.96, 481,542.40 and 96,339.55 is: 144,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,974.96 : 481,542.40 = 96,339.55 : x
  2. Step 2: Convert to fraction form
    320,974.96/481,542.40 = 96,339.55/x
  3. Step 3: Cross multiply
    320,974.96x = 481,542.40 × 96,339.55
  4. Step 4: Simplify right side
    320,974.96x = 46,391,579,325.78
  5. Step 5: Solve for x
    x = 46,391,579,325.78/320,974.96
  6. Step 6: Final answer
    x = 144,533.33

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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.