Home / 164,268.66-226,690.29-91,670.78

Finding the Fourth Proportional to 164,268.66, 226,690.29 and 91,670.78

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Solution

The fourth proportional to 164,268.66, 226,690.29 and 91,670.78 is: 126,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,268.66 : 226,690.29 = 91,670.78 : x
  2. Step 2: Convert to fraction form
    164,268.66/226,690.29 = 91,670.78/x
  3. Step 3: Cross multiply
    164,268.66x = 226,690.29 × 91,670.78
  4. Step 4: Simplify right side
    164,268.66x = 20,780,874,569.27
  5. Step 5: Solve for x
    x = 20,780,874,569.27/164,268.66
  6. Step 6: Final answer
    x = 126,505.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.