Home / 304,940.66-420,811.82-168,973.44

Finding the Fourth Proportional to 304,940.66, 420,811.82 and 168,973.44

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Solution

The fourth proportional to 304,940.66, 420,811.82 and 168,973.44 is: 233,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,940.66 : 420,811.82 = 168,973.44 : x
  2. Step 2: Convert to fraction form
    304,940.66/420,811.82 = 168,973.44/x
  3. Step 3: Cross multiply
    304,940.66x = 420,811.82 × 168,973.44
  4. Step 4: Simplify right side
    304,940.66x = 71,106,020,818.06
  5. Step 5: Solve for x
    x = 71,106,020,818.06/304,940.66
  6. Step 6: Final answer
    x = 233,179.86

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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.