Home / 269,264.20-403,896.30-79,731.40

Finding the Fourth Proportional to 269,264.20, 403,896.30 and 79,731.40

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Solution

The fourth proportional to 269,264.20, 403,896.30 and 79,731.40 is: 119,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,264.20 : 403,896.30 = 79,731.40 : x
  2. Step 2: Convert to fraction form
    269,264.20/403,896.30 = 79,731.40/x
  3. Step 3: Cross multiply
    269,264.20x = 403,896.30 × 79,731.40
  4. Step 4: Simplify right side
    269,264.20x = 32,203,217,453.82
  5. Step 5: Solve for x
    x = 32,203,217,453.82/269,264.20
  6. Step 6: Final answer
    x = 119,597.10

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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.