Home / 220,273.03-303,991.82-124,780.51

Finding the Fourth Proportional to 220,273.03, 303,991.82 and 124,780.51

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Solution

The fourth proportional to 220,273.03, 303,991.82 and 124,780.51 is: 172,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,273.03 : 303,991.82 = 124,780.51 : x
  2. Step 2: Convert to fraction form
    220,273.03/303,991.82 = 124,780.51/x
  3. Step 3: Cross multiply
    220,273.03x = 303,991.82 × 124,780.51
  4. Step 4: Simplify right side
    220,273.03x = 37,932,254,335.43
  5. Step 5: Solve for x
    x = 37,932,254,335.43/220,273.03
  6. Step 6: Final answer
    x = 172,205.62

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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.