Home / 269,268.17-403,971.47-100,790.91

Finding the Fourth Proportional to 269,268.17, 403,971.47 and 100,790.91

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Solution

The fourth proportional to 269,268.17, 403,971.47 and 100,790.91 is: 151,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,268.17 : 403,971.47 = 100,790.91 : x
  2. Step 2: Convert to fraction form
    269,268.17/403,971.47 = 100,790.91/x
  3. Step 3: Cross multiply
    269,268.17x = 403,971.47 × 100,790.91
  4. Step 4: Simplify right side
    269,268.17x = 40,716,651,571.38
  5. Step 5: Solve for x
    x = 40,716,651,571.38/269,268.17
  6. Step 6: Final answer
    x = 151,212.27

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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.