Home / 167,412.94-231,031.56-90,933.54

Finding the Fourth Proportional to 167,412.94, 231,031.56 and 90,933.54

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Solution

The fourth proportional to 167,412.94, 231,031.56 and 90,933.54 is: 125,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,412.94 : 231,031.56 = 90,933.54 : x
  2. Step 2: Convert to fraction form
    167,412.94/231,031.56 = 90,933.54/x
  3. Step 3: Cross multiply
    167,412.94x = 231,031.56 × 90,933.54
  4. Step 4: Simplify right side
    167,412.94x = 21,008,517,602.52
  5. Step 5: Solve for x
    x = 21,008,517,602.52/167,412.94
  6. Step 6: Final answer
    x = 125,489.21

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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.