Home / 179,769.75-248,082.26-100,281.75

Finding the Fourth Proportional to 179,769.75, 248,082.26 and 100,281.75

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Solution

The fourth proportional to 179,769.75, 248,082.26 and 100,281.75 is: 138,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,769.75 : 248,082.26 = 100,281.75 : x
  2. Step 2: Convert to fraction form
    179,769.75/248,082.26 = 100,281.75/x
  3. Step 3: Cross multiply
    179,769.75x = 248,082.26 × 100,281.75
  4. Step 4: Simplify right side
    179,769.75x = 24,878,122,675.35
  5. Step 5: Solve for x
    x = 24,878,122,675.35/179,769.75
  6. Step 6: Final answer
    x = 138,388.82

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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.