Home / 323,921.64-447,022.98-187,945.32

Finding the Fourth Proportional to 323,921.64, 447,022.98 and 187,945.32

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Solution

The fourth proportional to 323,921.64, 447,022.98 and 187,945.32 is: 259,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,921.64 : 447,022.98 = 187,945.32 : x
  2. Step 2: Convert to fraction form
    323,921.64/447,022.98 = 187,945.32/x
  3. Step 3: Cross multiply
    323,921.64x = 447,022.98 × 187,945.32
  4. Step 4: Simplify right side
    323,921.64x = 84,015,877,023.45
  5. Step 5: Solve for x
    x = 84,015,877,023.45/323,921.64
  6. Step 6: Final answer
    x = 259,370.99

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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.