Home / 167,596.81-231,288.17-91,121.05

Finding the Fourth Proportional to 167,596.81, 231,288.17 and 91,121.05

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Solution

The fourth proportional to 167,596.81, 231,288.17 and 91,121.05 is: 125,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,596.81 : 231,288.17 = 91,121.05 : x
  2. Step 2: Convert to fraction form
    167,596.81/231,288.17 = 91,121.05/x
  3. Step 3: Cross multiply
    167,596.81x = 231,288.17 × 91,121.05
  4. Step 4: Simplify right side
    167,596.81x = 21,075,220,447.37
  5. Step 5: Solve for x
    x = 21,075,220,447.37/167,596.81
  6. Step 6: Final answer
    x = 125,749.53

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1.5x scale

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.