Home / 320,327.81-441,979.04-191,241.16

Finding the Fourth Proportional to 320,327.81, 441,979.04 and 191,241.16

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Solution

The fourth proportional to 320,327.81, 441,979.04 and 191,241.16 is: 263,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,327.81 : 441,979.04 = 191,241.16 : x
  2. Step 2: Convert to fraction form
    320,327.81/441,979.04 = 191,241.16/x
  3. Step 3: Cross multiply
    320,327.81x = 441,979.04 × 191,241.16
  4. Step 4: Simplify right side
    320,327.81x = 84,524,584,305.29
  5. Step 5: Solve for x
    x = 84,524,584,305.29/320,327.81
  6. Step 6: Final answer
    x = 263,869.02

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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.