Home / 197,703.21-272,849.95-112,832.97

Finding the Fourth Proportional to 197,703.21, 272,849.95 and 112,832.97

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Solution

The fourth proportional to 197,703.21, 272,849.95 and 112,832.97 is: 155,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,703.21 : 272,849.95 = 112,832.97 : x
  2. Step 2: Convert to fraction form
    197,703.21/272,849.95 = 112,832.97/x
  3. Step 3: Cross multiply
    197,703.21x = 272,849.95 × 112,832.97
  4. Step 4: Simplify right side
    197,703.21x = 30,786,469,658.69
  5. Step 5: Solve for x
    x = 30,786,469,658.69/197,703.21
  6. Step 6: Final answer
    x = 155,720.64

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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.