Home / 297,943.28-411,169.83-161,986.37

Finding the Fourth Proportional to 297,943.28, 411,169.83 and 161,986.37

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Solution

The fourth proportional to 297,943.28, 411,169.83 and 161,986.37 is: 223,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,943.28 : 411,169.83 = 161,986.37 : x
  2. Step 2: Convert to fraction form
    297,943.28/411,169.83 = 161,986.37/x
  3. Step 3: Cross multiply
    297,943.28x = 411,169.83 × 161,986.37
  4. Step 4: Simplify right side
    297,943.28x = 66,603,908,215.22
  5. Step 5: Solve for x
    x = 66,603,908,215.22/297,943.28
  6. Step 6: Final answer
    x = 223,545.60

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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.