Home / 164,912.05-227,574.43-92,315.80

Finding the Fourth Proportional to 164,912.05, 227,574.43 and 92,315.80

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Solution

The fourth proportional to 164,912.05, 227,574.43 and 92,315.80 is: 127,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,912.05 : 227,574.43 = 92,315.80 : x
  2. Step 2: Convert to fraction form
    164,912.05/227,574.43 = 92,315.80/x
  3. Step 3: Cross multiply
    164,912.05x = 227,574.43 × 92,315.80
  4. Step 4: Simplify right side
    164,912.05x = 21,008,715,564.99
  5. Step 5: Solve for x
    x = 21,008,715,564.99/164,912.05
  6. Step 6: Final answer
    x = 127,393.45

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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.