Home / 304,861.05-420,702.55-184,007.43

Finding the Fourth Proportional to 304,861.05, 420,702.55 and 184,007.43

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Solution

The fourth proportional to 304,861.05, 420,702.55 and 184,007.43 is: 253,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,861.05 : 420,702.55 = 184,007.43 : x
  2. Step 2: Convert to fraction form
    304,861.05/420,702.55 = 184,007.43/x
  3. Step 3: Cross multiply
    304,861.05x = 420,702.55 × 184,007.43
  4. Step 4: Simplify right side
    304,861.05x = 77,412,394,559.93
  5. Step 5: Solve for x
    x = 77,412,394,559.93/304,861.05
  6. Step 6: Final answer
    x = 253,926.81

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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.