Home / 220,010.64-303,589.54-123,201.02

Finding the Fourth Proportional to 220,010.64, 303,589.54 and 123,201.02

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Solution

The fourth proportional to 220,010.64, 303,589.54 and 123,201.02 is: 170,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,010.64 : 303,589.54 = 123,201.02 : x
  2. Step 2: Convert to fraction form
    220,010.64/303,589.54 = 123,201.02/x
  3. Step 3: Cross multiply
    220,010.64x = 303,589.54 × 123,201.02
  4. Step 4: Simplify right side
    220,010.64x = 37,402,540,989.33
  5. Step 5: Solve for x
    x = 37,402,540,989.33/220,010.64
  6. Step 6: Final answer
    x = 170,003.33

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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.