Home / 219,812.43-329,201.94-107,139.54

Finding the Fourth Proportional to 219,812.43, 329,201.94 and 107,139.54

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Solution

The fourth proportional to 219,812.43, 329,201.94 and 107,139.54 is: 160,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,812.43 : 329,201.94 = 107,139.54 : x
  2. Step 2: Convert to fraction form
    219,812.43/329,201.94 = 107,139.54/x
  3. Step 3: Cross multiply
    219,812.43x = 329,201.94 × 107,139.54
  4. Step 4: Simplify right side
    219,812.43x = 35,270,544,418.71
  5. Step 5: Solve for x
    x = 35,270,544,418.71/219,812.43
  6. Step 6: Final answer
    x = 160,457.46

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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.