Home / 121,350.33-181,882.53-54,712.44

Finding the Fourth Proportional to 121,350.33, 181,882.53 and 54,712.44

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Solution

The fourth proportional to 121,350.33, 181,882.53 and 54,712.44 is: 82,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,350.33 : 181,882.53 = 54,712.44 : x
  2. Step 2: Convert to fraction form
    121,350.33/181,882.53 = 54,712.44/x
  3. Step 3: Cross multiply
    121,350.33x = 181,882.53 × 54,712.44
  4. Step 4: Simplify right side
    121,350.33x = 9,951,237,009.67
  5. Step 5: Solve for x
    x = 9,951,237,009.67/121,350.33
  6. Step 6: Final answer
    x = 82,004.20

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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.