Home / 319,512.96-440,849.25-195,302.57

Finding the Fourth Proportional to 319,512.96, 440,849.25 and 195,302.57

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Solution

The fourth proportional to 319,512.96, 440,849.25 and 195,302.57 is: 269,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,512.96 : 440,849.25 = 195,302.57 : x
  2. Step 2: Convert to fraction form
    319,512.96/440,849.25 = 195,302.57/x
  3. Step 3: Cross multiply
    319,512.96x = 440,849.25 × 195,302.57
  4. Step 4: Simplify right side
    319,512.96x = 86,098,989,303.33
  5. Step 5: Solve for x
    x = 86,098,989,303.33/319,512.96
  6. Step 6: Final answer
    x = 269,469.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.