Home / 199,432.20-298,745.10-124,321.80

Finding the Fourth Proportional to 199,432.20, 298,745.10 and 124,321.80

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Solution

The fourth proportional to 199,432.20, 298,745.10 and 124,321.80 is: 186,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432.20 : 298,745.10 = 124,321.80 : x
  2. Step 2: Convert to fraction form
    199,432.20/298,745.10 = 124,321.80/x
  3. Step 3: Cross multiply
    199,432.20x = 298,745.10 × 124,321.80
  4. Step 4: Simplify right side
    199,432.20x = 37,140,528,573.18
  5. Step 5: Solve for x
    x = 37,140,528,573.18/199,432.20
  6. Step 6: Final answer
    x = 186,231.35

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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.