Home / 189,680.49-261,676.85-114,185.25

Finding the Fourth Proportional to 189,680.49, 261,676.85 and 114,185.25

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Solution

The fourth proportional to 189,680.49, 261,676.85 and 114,185.25 is: 157,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,680.49 : 261,676.85 = 114,185.25 : x
  2. Step 2: Convert to fraction form
    189,680.49/261,676.85 = 114,185.25/x
  3. Step 3: Cross multiply
    189,680.49x = 261,676.85 × 114,185.25
  4. Step 4: Simplify right side
    189,680.49x = 29,879,635,965.54
  5. Step 5: Solve for x
    x = 29,879,635,965.54/189,680.49
  6. Step 6: Final answer
    x = 157,526.14

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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.