Home / 320,331.09-441,951.26-205,673.97

Finding the Fourth Proportional to 320,331.09, 441,951.26 and 205,673.97

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Solution

The fourth proportional to 320,331.09, 441,951.26 and 205,673.97 is: 283,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,331.09 : 441,951.26 = 205,673.97 : x
  2. Step 2: Convert to fraction form
    320,331.09/441,951.26 = 205,673.97/x
  3. Step 3: Cross multiply
    320,331.09x = 441,951.26 × 205,673.97
  4. Step 4: Simplify right side
    320,331.09x = 90,897,869,162.33
  5. Step 5: Solve for x
    x = 90,897,869,162.33/320,331.09
  6. Step 6: Final answer
    x = 283,762.24

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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.