Home / 220,249.47-303,944.25-124,756.16

Finding the Fourth Proportional to 220,249.47, 303,944.25 and 124,756.16

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Solution

The fourth proportional to 220,249.47, 303,944.25 and 124,756.16 is: 172,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,249.47 : 303,944.25 = 124,756.16 : x
  2. Step 2: Convert to fraction form
    220,249.47/303,944.25 = 124,756.16/x
  3. Step 3: Cross multiply
    220,249.47x = 303,944.25 × 124,756.16
  4. Step 4: Simplify right side
    220,249.47x = 37,918,917,867.55
  5. Step 5: Solve for x
    x = 37,918,917,867.55/220,249.47
  6. Step 6: Final answer
    x = 172,163.49

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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.