Home / 167,621.68-231,284.80-94,036.56

Finding the Fourth Proportional to 167,621.68, 231,284.80 and 94,036.56

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Solution

The fourth proportional to 167,621.68, 231,284.80 and 94,036.56 is: 129,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,621.68 : 231,284.80 = 94,036.56 : x
  2. Step 2: Convert to fraction form
    167,621.68/231,284.80 = 94,036.56/x
  3. Step 3: Cross multiply
    167,621.68x = 231,284.80 × 94,036.56
  4. Step 4: Simplify right side
    167,621.68x = 21,749,226,972.29
  5. Step 5: Solve for x
    x = 21,749,226,972.29/167,621.68
  6. Step 6: Final answer
    x = 129,751.87

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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.