Home / 80,183.04-120,302.16-35,840.40

Finding the Fourth Proportional to 80,183.04, 120,302.16 and 35,840.40

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Solution

The fourth proportional to 80,183.04, 120,302.16 and 35,840.40 is: 53,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,183.04 : 120,302.16 = 35,840.40 : x
  2. Step 2: Convert to fraction form
    80,183.04/120,302.16 = 35,840.40/x
  3. Step 3: Cross multiply
    80,183.04x = 120,302.16 × 35,840.40
  4. Step 4: Simplify right side
    80,183.04x = 4,311,677,535.26
  5. Step 5: Solve for x
    x = 4,311,677,535.26/80,183.04
  6. Step 6: Final answer
    x = 53,772.94

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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.