Home / 108,629.92-149,048.69-106,766.24

Finding the Fourth Proportional to 108,629.92, 149,048.69 and 106,766.24

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Solution

The fourth proportional to 108,629.92, 149,048.69 and 106,766.24 is: 146,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,629.92 : 149,048.69 = 106,766.24 : x
  2. Step 2: Convert to fraction form
    108,629.92/149,048.69 = 106,766.24/x
  3. Step 3: Cross multiply
    108,629.92x = 149,048.69 × 106,766.24
  4. Step 4: Simplify right side
    108,629.92x = 15,913,368,208.23
  5. Step 5: Solve for x
    x = 15,913,368,208.23/108,629.92
  6. Step 6: Final answer
    x = 146,491.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.