Home / 356,365.08-491,766.39-195,220.98

Finding the Fourth Proportional to 356,365.08, 491,766.39 and 195,220.98

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Solution

The fourth proportional to 356,365.08, 491,766.39 and 195,220.98 is: 269,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,365.08 : 491,766.39 = 195,220.98 : x
  2. Step 2: Convert to fraction form
    356,365.08/491,766.39 = 195,220.98/x
  3. Step 3: Cross multiply
    356,365.08x = 491,766.39 × 195,220.98
  4. Step 4: Simplify right side
    356,365.08x = 96,003,116,586.86
  5. Step 5: Solve for x
    x = 96,003,116,586.86/356,365.08
  6. Step 6: Final answer
    x = 269,395.41

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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.