Home / 263,312.15-363,414.23-161,394.30

Finding the Fourth Proportional to 263,312.15, 363,414.23 and 161,394.30

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Solution

The fourth proportional to 263,312.15, 363,414.23 and 161,394.30 is: 222,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,312.15 : 363,414.23 = 161,394.30 : x
  2. Step 2: Convert to fraction form
    263,312.15/363,414.23 = 161,394.30/x
  3. Step 3: Cross multiply
    263,312.15x = 363,414.23 × 161,394.30
  4. Step 4: Simplify right side
    263,312.15x = 58,652,984,453.92
  5. Step 5: Solve for x
    x = 58,652,984,453.92/263,312.15
  6. Step 6: Final answer
    x = 222,750.78

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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.