Home / 199,246.56-298,869.30-66,136.86

Finding the Fourth Proportional to 199,246.56, 298,869.30 and 66,136.86

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Solution

The fourth proportional to 199,246.56, 298,869.30 and 66,136.86 is: 99,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,246.56 : 298,869.30 = 66,136.86 : x
  2. Step 2: Convert to fraction form
    199,246.56/298,869.30 = 66,136.86/x
  3. Step 3: Cross multiply
    199,246.56x = 298,869.30 × 66,136.86
  4. Step 4: Simplify right side
    199,246.56x = 19,766,277,052.40
  5. Step 5: Solve for x
    x = 19,766,277,052.40/199,246.56
  6. Step 6: Final answer
    x = 99,205.11

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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.