Home / 167,739.68-231,485.16-91,263.56

Finding the Fourth Proportional to 167,739.68, 231,485.16 and 91,263.56

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Solution

The fourth proportional to 167,739.68, 231,485.16 and 91,263.56 is: 125,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,739.68 : 231,485.16 = 91,263.56 : x
  2. Step 2: Convert to fraction form
    167,739.68/231,485.16 = 91,263.56/x
  3. Step 3: Cross multiply
    167,739.68x = 231,485.16 × 91,263.56
  4. Step 4: Simplify right side
    167,739.68x = 21,126,159,788.77
  5. Step 5: Solve for x
    x = 21,126,159,788.77/167,739.68
  6. Step 6: Final answer
    x = 125,946.11

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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.