Home / 330,183.26-495,276.10-80,865.26

Finding the Fourth Proportional to 330,183.26, 495,276.10 and 80,865.26

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Solution

The fourth proportional to 330,183.26, 495,276.10 and 80,865.26 is: 121,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,183.26 : 495,276.10 = 80,865.26 : x
  2. Step 2: Convert to fraction form
    330,183.26/495,276.10 = 80,865.26/x
  3. Step 3: Cross multiply
    330,183.26x = 495,276.10 × 80,865.26
  4. Step 4: Simplify right side
    330,183.26x = 40,050,630,598.29
  5. Step 5: Solve for x
    x = 40,050,630,598.29/330,183.26
  6. Step 6: Final answer
    x = 121,298.19

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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.