Home / 356,189.28-491,542.02-192,847.56

Finding the Fourth Proportional to 356,189.28, 491,542.02 and 192,847.56

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Solution

The fourth proportional to 356,189.28, 491,542.02 and 192,847.56 is: 266,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,189.28 : 491,542.02 = 192,847.56 : x
  2. Step 2: Convert to fraction form
    356,189.28/491,542.02 = 192,847.56/x
  3. Step 3: Cross multiply
    356,189.28x = 491,542.02 × 192,847.56
  4. Step 4: Simplify right side
    356,189.28x = 94,792,679,194.47
  5. Step 5: Solve for x
    x = 94,792,679,194.47/356,189.28
  6. Step 6: Final answer
    x = 266,130.07

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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.