Home / 304,942.55-457,436.29-80,301.43

Finding the Fourth Proportional to 304,942.55, 457,436.29 and 80,301.43

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Solution

The fourth proportional to 304,942.55, 457,436.29 and 80,301.43 is: 120,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,942.55 : 457,436.29 = 80,301.43 : x
  2. Step 2: Convert to fraction form
    304,942.55/457,436.29 = 80,301.43/x
  3. Step 3: Cross multiply
    304,942.55x = 457,436.29 × 80,301.43
  4. Step 4: Simplify right side
    304,942.55x = 36,732,788,220.89
  5. Step 5: Solve for x
    x = 36,732,788,220.89/304,942.55
  6. Step 6: Final answer
    x = 120,458.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.