Home / 225,945.23-311,793.90-123,968.39

Finding the Fourth Proportional to 225,945.23, 311,793.90 and 123,968.39

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Solution

The fourth proportional to 225,945.23, 311,793.90 and 123,968.39 is: 171,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,945.23 : 311,793.90 = 123,968.39 : x
  2. Step 2: Convert to fraction form
    225,945.23/311,793.90 = 123,968.39/x
  3. Step 3: Cross multiply
    225,945.23x = 311,793.90 × 123,968.39
  4. Step 4: Simplify right side
    225,945.23x = 38,652,588,109.42
  5. Step 5: Solve for x
    x = 38,652,588,109.42/225,945.23
  6. Step 6: Final answer
    x = 171,070.61

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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.