Home / 269,446.20-403,731.90-169,427.40

Finding the Fourth Proportional to 269,446.20, 403,731.90 and 169,427.40

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Solution

The fourth proportional to 269,446.20, 403,731.90 and 169,427.40 is: 253,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,446.20 : 403,731.90 = 169,427.40 : x
  2. Step 2: Convert to fraction form
    269,446.20/403,731.90 = 169,427.40/x
  3. Step 3: Cross multiply
    269,446.20x = 403,731.90 × 169,427.40
  4. Step 4: Simplify right side
    269,446.20x = 68,403,246,114.06
  5. Step 5: Solve for x
    x = 68,403,246,114.06/269,446.20
  6. Step 6: Final answer
    x = 253,866.06

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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.