Home / 108,628.92-149,047.32-106,765.24

Finding the Fourth Proportional to 108,628.92, 149,047.32 and 106,765.24

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Solution

The fourth proportional to 108,628.92, 149,047.32 and 106,765.24 is: 146,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,628.92 : 149,047.32 = 106,765.24 : x
  2. Step 2: Convert to fraction form
    108,628.92/149,047.32 = 106,765.24/x
  3. Step 3: Cross multiply
    108,628.92x = 149,047.32 × 106,765.24
  4. Step 4: Simplify right side
    108,628.92x = 15,913,072,891.16
  5. Step 5: Solve for x
    x = 15,913,072,891.16/108,628.92
  6. Step 6: Final answer
    x = 146,490.21

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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.