Home / 330,800.13-496,364.40-131,116.14

Finding the Fourth Proportional to 330,800.13, 496,364.40 and 131,116.14

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Solution

The fourth proportional to 330,800.13, 496,364.40 and 131,116.14 is: 196,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,800.13 : 496,364.40 = 131,116.14 : x
  2. Step 2: Convert to fraction form
    330,800.13/496,364.40 = 131,116.14/x
  3. Step 3: Cross multiply
    330,800.13x = 496,364.40 × 131,116.14
  4. Step 4: Simplify right side
    330,800.13x = 65,081,384,161.42
  5. Step 5: Solve for x
    x = 65,081,384,161.42/330,800.13
  6. Step 6: Final answer
    x = 196,739.29

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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.