Home / 148,006.44-204,244.74-80,937

Finding the Fourth Proportional to 148,006.44, 204,244.74 and 80,937

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Solution

The fourth proportional to 148,006.44, 204,244.74 and 80,937 is: 111,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,006.44 : 204,244.74 = 80,937 : x
  2. Step 2: Convert to fraction form
    148,006.44/204,244.74 = 80,937/x
  3. Step 3: Cross multiply
    148,006.44x = 204,244.74 × 80,937
  4. Step 4: Simplify right side
    148,006.44x = 16,530,956,521.38
  5. Step 5: Solve for x
    x = 16,530,956,521.38/148,006.44
  6. Step 6: Final answer
    x = 111,690.79

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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.