Home / 330,899.04-496,148.40-131,245.92

Finding the Fourth Proportional to 330,899.04, 496,148.40 and 131,245.92

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Solution

The fourth proportional to 330,899.04, 496,148.40 and 131,245.92 is: 196,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,899.04 : 496,148.40 = 131,245.92 : x
  2. Step 2: Convert to fraction form
    330,899.04/496,148.40 = 131,245.92/x
  3. Step 3: Cross multiply
    330,899.04x = 496,148.40 × 131,245.92
  4. Step 4: Simplify right side
    330,899.04x = 65,117,453,214.53
  5. Step 5: Solve for x
    x = 65,117,453,214.53/330,899.04
  6. Step 6: Final answer
    x = 196,789.49

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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.