Home / 169,439.30-254,003.16-73,316.49

Finding the Fourth Proportional to 169,439.30, 254,003.16 and 73,316.49

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Solution

The fourth proportional to 169,439.30, 254,003.16 and 73,316.49 is: 109,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,439.30 : 254,003.16 = 73,316.49 : x
  2. Step 2: Convert to fraction form
    169,439.30/254,003.16 = 73,316.49/x
  3. Step 3: Cross multiply
    169,439.30x = 254,003.16 × 73,316.49
  4. Step 4: Simplify right side
    169,439.30x = 18,622,620,891.30
  5. Step 5: Solve for x
    x = 18,622,620,891.30/169,439.30
  6. Step 6: Final answer
    x = 109,907.33

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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.