Home / 263,426.15-395,138.64-203,541.64

Finding the Fourth Proportional to 263,426.15, 395,138.64 and 203,541.64

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Solution

The fourth proportional to 263,426.15, 395,138.64 and 203,541.64 is: 305,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,426.15 : 395,138.64 = 203,541.64 : x
  2. Step 2: Convert to fraction form
    263,426.15/395,138.64 = 203,541.64/x
  3. Step 3: Cross multiply
    263,426.15x = 395,138.64 × 203,541.64
  4. Step 4: Simplify right side
    263,426.15x = 80,427,164,837.28
  5. Step 5: Solve for x
    x = 80,427,164,837.28/263,426.15
  6. Step 6: Final answer
    x = 305,312.00

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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.