Home / 399,196.20-550,885.89-227,113.73

Finding the Fourth Proportional to 399,196.20, 550,885.89 and 227,113.73

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Solution

The fourth proportional to 399,196.20, 550,885.89 and 227,113.73 is: 313,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,196.20 : 550,885.89 = 227,113.73 : x
  2. Step 2: Convert to fraction form
    399,196.20/550,885.89 = 227,113.73/x
  3. Step 3: Cross multiply
    399,196.20x = 550,885.89 × 227,113.73
  4. Step 4: Simplify right side
    399,196.20x = 125,113,746,527.84
  5. Step 5: Solve for x
    x = 125,113,746,527.84/399,196.20
  6. Step 6: Final answer
    x = 313,414.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.