Home / 356,302.57-491,697.66-195,160.31

Finding the Fourth Proportional to 356,302.57, 491,697.66 and 195,160.31

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Solution

The fourth proportional to 356,302.57, 491,697.66 and 195,160.31 is: 269,321.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,302.57 : 491,697.66 = 195,160.31 : x
  2. Step 2: Convert to fraction form
    356,302.57/491,697.66 = 195,160.31/x
  3. Step 3: Cross multiply
    356,302.57x = 491,697.66 × 195,160.31
  4. Step 4: Simplify right side
    356,302.57x = 95,959,867,751.87
  5. Step 5: Solve for x
    x = 95,959,867,751.87/356,302.57
  6. Step 6: Final answer
    x = 269,321.29

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1.5x scale

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.