Home / 320,736.27-481,211.30-107,525.28

Finding the Fourth Proportional to 320,736.27, 481,211.30 and 107,525.28

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Solution

The fourth proportional to 320,736.27, 481,211.30 and 107,525.28 is: 161,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,736.27 : 481,211.30 = 107,525.28 : x
  2. Step 2: Convert to fraction form
    320,736.27/481,211.30 = 107,525.28/x
  3. Step 3: Cross multiply
    320,736.27x = 481,211.30 × 107,525.28
  4. Step 4: Simplify right side
    320,736.27x = 51,742,376,827.98
  5. Step 5: Solve for x
    x = 51,742,376,827.98/320,736.27
  6. Step 6: Final answer
    x = 161,323.75

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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.