Home / 322,795.20-445,511.76-186,832.80

Finding the Fourth Proportional to 322,795.20, 445,511.76 and 186,832.80

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Solution

The fourth proportional to 322,795.20, 445,511.76 and 186,832.80 is: 257,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,795.20 : 445,511.76 = 186,832.80 : x
  2. Step 2: Convert to fraction form
    322,795.20/445,511.76 = 186,832.80/x
  3. Step 3: Cross multiply
    322,795.20x = 445,511.76 × 186,832.80
  4. Step 4: Simplify right side
    322,795.20x = 83,236,209,553.73
  5. Step 5: Solve for x
    x = 83,236,209,553.73/322,795.20
  6. Step 6: Final answer
    x = 257,860.74

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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.