Home / 330,832.80-496,006.20-131,054.40

Finding the Fourth Proportional to 330,832.80, 496,006.20 and 131,054.40

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Solution

The fourth proportional to 330,832.80, 496,006.20 and 131,054.40 is: 196,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,832.80 : 496,006.20 = 131,054.40 : x
  2. Step 2: Convert to fraction form
    330,832.80/496,006.20 = 131,054.40/x
  3. Step 3: Cross multiply
    330,832.80x = 496,006.20 × 131,054.40
  4. Step 4: Simplify right side
    330,832.80x = 65,003,794,937.28
  5. Step 5: Solve for x
    x = 65,003,794,937.28/330,832.80
  6. Step 6: Final answer
    x = 196,485.34

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1.5x scale

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.