Home / 281,268.27-388,338.17-166,583.81

Finding the Fourth Proportional to 281,268.27, 388,338.17 and 166,583.81

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Solution

The fourth proportional to 281,268.27, 388,338.17 and 166,583.81 is: 229,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,268.27 : 388,338.17 = 166,583.81 : x
  2. Step 2: Convert to fraction form
    281,268.27/388,338.17 = 166,583.81/x
  3. Step 3: Cross multiply
    281,268.27x = 388,338.17 × 166,583.81
  4. Step 4: Simplify right side
    281,268.27x = 64,690,852,064.95
  5. Step 5: Solve for x
    x = 64,690,852,064.95/281,268.27
  6. Step 6: Final answer
    x = 229,996.98

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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.