Home / 168,054.98-231,921.73-91,580.37

Finding the Fourth Proportional to 168,054.98, 231,921.73 and 91,580.37

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Solution

The fourth proportional to 168,054.98, 231,921.73 and 91,580.37 is: 126,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,054.98 : 231,921.73 = 91,580.37 : x
  2. Step 2: Convert to fraction form
    168,054.98/231,921.73 = 91,580.37/x
  3. Step 3: Cross multiply
    168,054.98x = 231,921.73 × 91,580.37
  4. Step 4: Simplify right side
    168,054.98x = 21,239,477,386.54
  5. Step 5: Solve for x
    x = 21,239,477,386.54/168,054.98
  6. Step 6: Final answer
    x = 126,384.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.