Home / 300,962.98-451,472.19-108,885.43

Finding the Fourth Proportional to 300,962.98, 451,472.19 and 108,885.43

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Solution

The fourth proportional to 300,962.98, 451,472.19 and 108,885.43 is: 163,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,962.98 : 451,472.19 = 108,885.43 : x
  2. Step 2: Convert to fraction form
    300,962.98/451,472.19 = 108,885.43/x
  3. Step 3: Cross multiply
    300,962.98x = 451,472.19 × 108,885.43
  4. Step 4: Simplify right side
    300,962.98x = 49,158,743,541.19
  5. Step 5: Solve for x
    x = 49,158,743,541.19/300,962.98
  6. Step 6: Final answer
    x = 163,338.17

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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.