Home / 199,716.60-299,662.02-106,112.76

Finding the Fourth Proportional to 199,716.60, 299,662.02 and 106,112.76

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Solution

The fourth proportional to 199,716.60, 299,662.02 and 106,112.76 is: 159,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,716.60 : 299,662.02 = 106,112.76 : x
  2. Step 2: Convert to fraction form
    199,716.60/299,662.02 = 106,112.76/x
  3. Step 3: Cross multiply
    199,716.60x = 299,662.02 × 106,112.76
  4. Step 4: Simplify right side
    199,716.60x = 31,797,964,009.38
  5. Step 5: Solve for x
    x = 31,797,964,009.38/199,716.60
  6. Step 6: Final answer
    x = 159,215.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.