Home / 167,596.76-231,288.08-91,121.00

Finding the Fourth Proportional to 167,596.76, 231,288.08 and 91,121.00

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Solution

The fourth proportional to 167,596.76, 231,288.08 and 91,121.00 is: 125,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,596.76 : 231,288.08 = 91,121.00 : x
  2. Step 2: Convert to fraction form
    167,596.76/231,288.08 = 91,121.00/x
  3. Step 3: Cross multiply
    167,596.76x = 231,288.08 × 91,121.00
  4. Step 4: Simplify right side
    167,596.76x = 21,075,199,525.63
  5. Step 5: Solve for x
    x = 21,075,199,525.63/167,596.76
  6. Step 6: Final answer
    x = 125,749.44

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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.