Home / 300,913.20-415,150.38-180,057.96

Finding the Fourth Proportional to 300,913.20, 415,150.38 and 180,057.96

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Solution

The fourth proportional to 300,913.20, 415,150.38 and 180,057.96 is: 248,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,913.20 : 415,150.38 = 180,057.96 : x
  2. Step 2: Convert to fraction form
    300,913.20/415,150.38 = 180,057.96/x
  3. Step 3: Cross multiply
    300,913.20x = 415,150.38 × 180,057.96
  4. Step 4: Simplify right side
    300,913.20x = 74,751,130,516.02
  5. Step 5: Solve for x
    x = 74,751,130,516.02/300,913.20
  6. Step 6: Final answer
    x = 248,414.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.