Home / 262,204.20-393,306.30-72,664.20

Finding the Fourth Proportional to 262,204.20, 393,306.30 and 72,664.20

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Solution

The fourth proportional to 262,204.20, 393,306.30 and 72,664.20 is: 108,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,204.20 : 393,306.30 = 72,664.20 : x
  2. Step 2: Convert to fraction form
    262,204.20/393,306.30 = 72,664.20/x
  3. Step 3: Cross multiply
    262,204.20x = 393,306.30 × 72,664.20
  4. Step 4: Simplify right side
    262,204.20x = 28,579,287,644.46
  5. Step 5: Solve for x
    x = 28,579,287,644.46/262,204.20
  6. Step 6: Final answer
    x = 108,996.30

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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.