Home / 149,676.48-206,538.84-82,604.16

Finding the Fourth Proportional to 149,676.48, 206,538.84 and 82,604.16

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Solution

The fourth proportional to 149,676.48, 206,538.84 and 82,604.16 is: 113,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,676.48 : 206,538.84 = 82,604.16 : x
  2. Step 2: Convert to fraction form
    149,676.48/206,538.84 = 82,604.16/x
  3. Step 3: Cross multiply
    149,676.48x = 206,538.84 × 82,604.16
  4. Step 4: Simplify right side
    149,676.48x = 17,060,967,385.57
  5. Step 5: Solve for x
    x = 17,060,967,385.57/149,676.48
  6. Step 6: Final answer
    x = 113,985.63

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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.