Home / 197,540.33-272,610.30-112,655.57

Finding the Fourth Proportional to 197,540.33, 272,610.30 and 112,655.57

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Solution

The fourth proportional to 197,540.33, 272,610.30 and 112,655.57 is: 155,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,540.33 : 272,610.30 = 112,655.57 : x
  2. Step 2: Convert to fraction form
    197,540.33/272,610.30 = 112,655.57/x
  3. Step 3: Cross multiply
    197,540.33x = 272,610.30 × 112,655.57
  4. Step 4: Simplify right side
    197,540.33x = 30,711,067,371.32
  5. Step 5: Solve for x
    x = 30,711,067,371.32/197,540.33
  6. Step 6: Final answer
    x = 155,467.33

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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.