Home / 270,226.28-405,360.12-92,731.88

Finding the Fourth Proportional to 270,226.28, 405,360.12 and 92,731.88

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Solution

The fourth proportional to 270,226.28, 405,360.12 and 92,731.88 is: 139,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,226.28 : 405,360.12 = 92,731.88 : x
  2. Step 2: Convert to fraction form
    270,226.28/405,360.12 = 92,731.88/x
  3. Step 3: Cross multiply
    270,226.28x = 405,360.12 × 92,731.88
  4. Step 4: Simplify right side
    270,226.28x = 37,589,806,004.63
  5. Step 5: Solve for x
    x = 37,589,806,004.63/270,226.28
  6. Step 6: Final answer
    x = 139,104.92

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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.