Home / 304,751.57-420,563.04-182,369.78

Finding the Fourth Proportional to 304,751.57, 420,563.04 and 182,369.78

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Solution

The fourth proportional to 304,751.57, 420,563.04 and 182,369.78 is: 251,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,751.57 : 420,563.04 = 182,369.78 : x
  2. Step 2: Convert to fraction form
    304,751.57/420,563.04 = 182,369.78/x
  3. Step 3: Cross multiply
    304,751.57x = 420,563.04 × 182,369.78
  4. Step 4: Simplify right side
    304,751.57x = 76,697,987,871.34
  5. Step 5: Solve for x
    x = 76,697,987,871.34/304,751.57
  6. Step 6: Final answer
    x = 251,673.81

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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.