Home / 320,986.80-481,479.06-96,346.26

Finding the Fourth Proportional to 320,986.80, 481,479.06 and 96,346.26

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Solution

The fourth proportional to 320,986.80, 481,479.06 and 96,346.26 is: 144,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,986.80 : 481,479.06 = 96,346.26 : x
  2. Step 2: Convert to fraction form
    320,986.80/481,479.06 = 96,346.26/x
  3. Step 3: Cross multiply
    320,986.80x = 481,479.06 × 96,346.26
  4. Step 4: Simplify right side
    320,986.80x = 46,388,706,699.32
  5. Step 5: Solve for x
    x = 46,388,706,699.32/320,986.80
  6. Step 6: Final answer
    x = 144,519.05

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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.