Home / 330,759.20-496,302.82-131,075.16

Finding the Fourth Proportional to 330,759.20, 496,302.82 and 131,075.16

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Solution

The fourth proportional to 330,759.20, 496,302.82 and 131,075.16 is: 196,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,759.20 : 496,302.82 = 131,075.16 : x
  2. Step 2: Convert to fraction form
    330,759.20/496,302.82 = 131,075.16/x
  3. Step 3: Cross multiply
    330,759.20x = 496,302.82 × 131,075.16
  4. Step 4: Simplify right side
    330,759.20x = 65,052,972,511.48
  5. Step 5: Solve for x
    x = 65,052,972,511.48/330,759.20
  6. Step 6: Final answer
    x = 196,677.74

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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.