Home / 206,336.10-309,105.61-152,205.42

Finding the Fourth Proportional to 206,336.10, 309,105.61 and 152,205.42

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Solution

The fourth proportional to 206,336.10, 309,105.61 and 152,205.42 is: 228,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,336.10 : 309,105.61 = 152,205.42 : x
  2. Step 2: Convert to fraction form
    206,336.10/309,105.61 = 152,205.42/x
  3. Step 3: Cross multiply
    206,336.10x = 309,105.61 × 152,205.42
  4. Step 4: Simplify right side
    206,336.10x = 47,047,549,194.41
  5. Step 5: Solve for x
    x = 47,047,549,194.41/206,336.10
  6. Step 6: Final answer
    x = 228,014.14

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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.