Home / 275,840.24-413,759.75-73,436.40

Finding the Fourth Proportional to 275,840.24, 413,759.75 and 73,436.40

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Solution

The fourth proportional to 275,840.24, 413,759.75 and 73,436.40 is: 110,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,840.24 : 413,759.75 = 73,436.40 : x
  2. Step 2: Convert to fraction form
    275,840.24/413,759.75 = 73,436.40/x
  3. Step 3: Cross multiply
    275,840.24x = 413,759.75 × 73,436.40
  4. Step 4: Simplify right side
    275,840.24x = 30,385,026,137.72
  5. Step 5: Solve for x
    x = 30,385,026,137.72/275,840.24
  6. Step 6: Final answer
    x = 110,154.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.