Home / 197,826.12-272,851.22-137,396.84

Finding the Fourth Proportional to 197,826.12, 272,851.22 and 137,396.84

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Solution

The fourth proportional to 197,826.12, 272,851.22 and 137,396.84 is: 189,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,826.12 : 272,851.22 = 137,396.84 : x
  2. Step 2: Convert to fraction form
    197,826.12/272,851.22 = 137,396.84/x
  3. Step 3: Cross multiply
    197,826.12x = 272,851.22 × 137,396.84
  4. Step 4: Simplify right side
    197,826.12x = 37,488,895,418.14
  5. Step 5: Solve for x
    x = 37,488,895,418.14/197,826.12
  6. Step 6: Final answer
    x = 189,504.27

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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.