Home / 320,190.49-441,864.25-174,999.20

Finding the Fourth Proportional to 320,190.49, 441,864.25 and 174,999.20

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Solution

The fourth proportional to 320,190.49, 441,864.25 and 174,999.20 is: 241,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,190.49 : 441,864.25 = 174,999.20 : x
  2. Step 2: Convert to fraction form
    320,190.49/441,864.25 = 174,999.20/x
  3. Step 3: Cross multiply
    320,190.49x = 441,864.25 × 174,999.20
  4. Step 4: Simplify right side
    320,190.49x = 77,325,890,258.60
  5. Step 5: Solve for x
    x = 77,325,890,258.60/320,190.49
  6. Step 6: Final answer
    x = 241,499.65

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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.