Home / 240,183.04-360,147.12-120,108.64

Finding the Fourth Proportional to 240,183.04, 360,147.12 and 120,108.64

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Solution

The fourth proportional to 240,183.04, 360,147.12 and 120,108.64 is: 180,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,183.04 : 360,147.12 = 120,108.64 : x
  2. Step 2: Convert to fraction form
    240,183.04/360,147.12 = 120,108.64/x
  3. Step 3: Cross multiply
    240,183.04x = 360,147.12 × 120,108.64
  4. Step 4: Simplify right side
    240,183.04x = 43,256,780,783.12
  5. Step 5: Solve for x
    x = 43,256,780,783.12/240,183.04
  6. Step 6: Final answer
    x = 180,099.23

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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.