Home / 323,133.75-445,634.27-202,286.04

Finding the Fourth Proportional to 323,133.75, 445,634.27 and 202,286.04

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Solution

The fourth proportional to 323,133.75, 445,634.27 and 202,286.04 is: 278,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,133.75 : 445,634.27 = 202,286.04 : x
  2. Step 2: Convert to fraction form
    323,133.75/445,634.27 = 202,286.04/x
  3. Step 3: Cross multiply
    323,133.75x = 445,634.27 × 202,286.04
  4. Step 4: Simplify right side
    323,133.75x = 90,145,590,755.16
  5. Step 5: Solve for x
    x = 90,145,590,755.16/323,133.75
  6. Step 6: Final answer
    x = 278,973.00

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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.