Home / 323,268.32-484,677.12-143,255.72

Finding the Fourth Proportional to 323,268.32, 484,677.12 and 143,255.72

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Solution

The fourth proportional to 323,268.32, 484,677.12 and 143,255.72 is: 214,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,268.32 : 484,677.12 = 143,255.72 : x
  2. Step 2: Convert to fraction form
    323,268.32/484,677.12 = 143,255.72/x
  3. Step 3: Cross multiply
    323,268.32x = 484,677.12 × 143,255.72
  4. Step 4: Simplify right side
    323,268.32x = 69,432,769,793.13
  5. Step 5: Solve for x
    x = 69,432,769,793.13/323,268.32
  6. Step 6: Final answer
    x = 214,783.71

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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.