Home / 327,201.60-451,386.65-191,241.28

Finding the Fourth Proportional to 327,201.60, 451,386.65 and 191,241.28

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Solution

The fourth proportional to 327,201.60, 451,386.65 and 191,241.28 is: 263,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,201.60 : 451,386.65 = 191,241.28 : x
  2. Step 2: Convert to fraction form
    327,201.60/451,386.65 = 191,241.28/x
  3. Step 3: Cross multiply
    327,201.60x = 451,386.65 × 191,241.28
  4. Step 4: Simplify right side
    327,201.60x = 86,323,760,720.91
  5. Step 5: Solve for x
    x = 86,323,760,720.91/327,201.60
  6. Step 6: Final answer
    x = 263,824.38

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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.