Home / 225,769.48-311,575.85-125,167.48

Finding the Fourth Proportional to 225,769.48, 311,575.85 and 125,167.48

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Solution

The fourth proportional to 225,769.48, 311,575.85 and 125,167.48 is: 172,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,769.48 : 311,575.85 = 125,167.48 : x
  2. Step 2: Convert to fraction form
    225,769.48/311,575.85 = 125,167.48/x
  3. Step 3: Cross multiply
    225,769.48x = 311,575.85 × 125,167.48
  4. Step 4: Simplify right side
    225,769.48x = 38,999,163,973.36
  5. Step 5: Solve for x
    x = 38,999,163,973.36/225,769.48
  6. Step 6: Final answer
    x = 172,738.87

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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.