Home / 320,983.82-481,474.55-96,343.28

Finding the Fourth Proportional to 320,983.82, 481,474.55 and 96,343.28

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Solution

The fourth proportional to 320,983.82, 481,474.55 and 96,343.28 is: 144,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,983.82 : 481,474.55 = 96,343.28 : x
  2. Step 2: Convert to fraction form
    320,983.82/481,474.55 = 96,343.28/x
  3. Step 3: Cross multiply
    320,983.82x = 481,474.55 × 96,343.28
  4. Step 4: Simplify right side
    320,983.82x = 46,386,834,494.43
  5. Step 5: Solve for x
    x = 46,386,834,494.43/320,983.82
  6. Step 6: Final answer
    x = 144,514.56

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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.