Home / 327,142.80-451,425.96-191,208.60

Finding the Fourth Proportional to 327,142.80, 451,425.96 and 191,208.60

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Solution

The fourth proportional to 327,142.80, 451,425.96 and 191,208.60 is: 263,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,142.80 : 451,425.96 = 191,208.60 : x
  2. Step 2: Convert to fraction form
    327,142.80/451,425.96 = 191,208.60/x
  3. Step 3: Cross multiply
    327,142.80x = 451,425.96 × 191,208.60
  4. Step 4: Simplify right side
    327,142.80x = 86,316,525,815.26
  5. Step 5: Solve for x
    x = 86,316,525,815.26/327,142.80
  6. Step 6: Final answer
    x = 263,849.69

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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.