Home / 316,769.26-436,975.86-195,871.90

Finding the Fourth Proportional to 316,769.26, 436,975.86 and 195,871.90

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Solution

The fourth proportional to 316,769.26, 436,975.86 and 195,871.90 is: 270,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,769.26 : 436,975.86 = 195,871.90 : x
  2. Step 2: Convert to fraction form
    316,769.26/436,975.86 = 195,871.90/x
  3. Step 3: Cross multiply
    316,769.26x = 436,975.86 × 195,871.90
  4. Step 4: Simplify right side
    316,769.26x = 85,591,291,952.33
  5. Step 5: Solve for x
    x = 85,591,291,952.33/316,769.26
  6. Step 6: Final answer
    x = 270,200.75

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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.