Home / 104,722.14-155,898.69-104,099.34

Finding the Fourth Proportional to 104,722.14, 155,898.69 and 104,099.34

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Solution

The fourth proportional to 104,722.14, 155,898.69 and 104,099.34 is: 154,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,722.14 : 155,898.69 = 104,099.34 : x
  2. Step 2: Convert to fraction form
    104,722.14/155,898.69 = 104,099.34/x
  3. Step 3: Cross multiply
    104,722.14x = 155,898.69 × 104,099.34
  4. Step 4: Simplify right side
    104,722.14x = 16,228,950,735.86
  5. Step 5: Solve for x
    x = 16,228,950,735.86/104,722.14
  6. Step 6: Final answer
    x = 154,971.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.