Home / 167,494.40-231,139.64-92,041.28

Finding the Fourth Proportional to 167,494.40, 231,139.64 and 92,041.28

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Solution

The fourth proportional to 167,494.40, 231,139.64 and 92,041.28 is: 127,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,494.40 : 231,139.64 = 92,041.28 : x
  2. Step 2: Convert to fraction form
    167,494.40/231,139.64 = 92,041.28/x
  3. Step 3: Cross multiply
    167,494.40x = 231,139.64 × 92,041.28
  4. Step 4: Simplify right side
    167,494.40x = 21,274,388,324.34
  5. Step 5: Solve for x
    x = 21,274,388,324.34/167,494.40
  6. Step 6: Final answer
    x = 127,015.52

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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.