Home / 330,857.20-496,285.80-94,207.60

Finding the Fourth Proportional to 330,857.20, 496,285.80 and 94,207.60

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Solution

The fourth proportional to 330,857.20, 496,285.80 and 94,207.60 is: 141,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,857.20 : 496,285.80 = 94,207.60 : x
  2. Step 2: Convert to fraction form
    330,857.20/496,285.80 = 94,207.60/x
  3. Step 3: Cross multiply
    330,857.20x = 496,285.80 × 94,207.60
  4. Step 4: Simplify right side
    330,857.20x = 46,753,894,132.08
  5. Step 5: Solve for x
    x = 46,753,894,132.08/330,857.20
  6. Step 6: Final answer
    x = 141,311.40

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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.