Home / 199,324.60-298,986.90-163,895.20

Finding the Fourth Proportional to 199,324.60, 298,986.90 and 163,895.20

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Solution

The fourth proportional to 199,324.60, 298,986.90 and 163,895.20 is: 245,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,324.60 : 298,986.90 = 163,895.20 : x
  2. Step 2: Convert to fraction form
    199,324.60/298,986.90 = 163,895.20/x
  3. Step 3: Cross multiply
    199,324.60x = 298,986.90 × 163,895.20
  4. Step 4: Simplify right side
    199,324.60x = 49,002,517,772.88
  5. Step 5: Solve for x
    x = 49,002,517,772.88/199,324.60
  6. Step 6: Final answer
    x = 245,842.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.