Home / 206,224.30-309,336.20-56,465.74

Finding the Fourth Proportional to 206,224.30, 309,336.20 and 56,465.74

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Solution

The fourth proportional to 206,224.30, 309,336.20 and 56,465.74 is: 84,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,224.30 : 309,336.20 = 56,465.74 : x
  2. Step 2: Convert to fraction form
    206,224.30/309,336.20 = 56,465.74/x
  3. Step 3: Cross multiply
    206,224.30x = 309,336.20 × 56,465.74
  4. Step 4: Simplify right side
    206,224.30x = 17,466,897,441.79
  5. Step 5: Solve for x
    x = 17,466,897,441.79/206,224.30
  6. Step 6: Final answer
    x = 84,698.54

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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.