Home / 320,857.90-481,396.23-96,223.84

Finding the Fourth Proportional to 320,857.90, 481,396.23 and 96,223.84

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Solution

The fourth proportional to 320,857.90, 481,396.23 and 96,223.84 is: 144,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,857.90 : 481,396.23 = 96,223.84 : x
  2. Step 2: Convert to fraction form
    320,857.90/481,396.23 = 96,223.84/x
  3. Step 3: Cross multiply
    320,857.90x = 481,396.23 × 96,223.84
  4. Step 4: Simplify right side
    320,857.90x = 46,321,793,812.12
  5. Step 5: Solve for x
    x = 46,321,793,812.12/320,857.90
  6. Step 6: Final answer
    x = 144,368.56

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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.