Home / 225,954.41-311,533.38-165,419.96

Finding the Fourth Proportional to 225,954.41, 311,533.38 and 165,419.96

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Solution

The fourth proportional to 225,954.41, 311,533.38 and 165,419.96 is: 228,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,954.41 : 311,533.38 = 165,419.96 : x
  2. Step 2: Convert to fraction form
    225,954.41/311,533.38 = 165,419.96/x
  3. Step 3: Cross multiply
    225,954.41x = 311,533.38 × 165,419.96
  4. Step 4: Simplify right side
    225,954.41x = 51,533,837,700.60
  5. Step 5: Solve for x
    x = 51,533,837,700.60/225,954.41
  6. Step 6: Final answer
    x = 228,071.84

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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.