Home / 181,040.52-271,330.97-81,196.68

Finding the Fourth Proportional to 181,040.52, 271,330.97 and 81,196.68

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Solution

The fourth proportional to 181,040.52, 271,330.97 and 81,196.68 is: 121,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,040.52 : 271,330.97 = 81,196.68 : x
  2. Step 2: Convert to fraction form
    181,040.52/271,330.97 = 81,196.68/x
  3. Step 3: Cross multiply
    181,040.52x = 271,330.97 × 81,196.68
  4. Step 4: Simplify right side
    181,040.52x = 22,031,173,539.20
  5. Step 5: Solve for x
    x = 22,031,173,539.20/181,040.52
  6. Step 6: Final answer
    x = 121,691.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.