Home / 269,315.64-403,983.68-100,818.23

Finding the Fourth Proportional to 269,315.64, 403,983.68 and 100,818.23

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Solution

The fourth proportional to 269,315.64, 403,983.68 and 100,818.23 is: 151,231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,315.64 : 403,983.68 = 100,818.23 : x
  2. Step 2: Convert to fraction form
    269,315.64/403,983.68 = 100,818.23/x
  3. Step 3: Cross multiply
    269,315.64x = 403,983.68 × 100,818.23
  4. Step 4: Simplify right side
    269,315.64x = 40,728,917,042.48
  5. Step 5: Solve for x
    x = 40,728,917,042.48/269,315.64
  6. Step 6: Final answer
    x = 151,231.16

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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.