Home / 120,849.76-181,278.24-57,676.58

Finding the Fourth Proportional to 120,849.76, 181,278.24 and 57,676.58

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Solution

The fourth proportional to 120,849.76, 181,278.24 and 57,676.58 is: 86,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,849.76 : 181,278.24 = 57,676.58 : x
  2. Step 2: Convert to fraction form
    120,849.76/181,278.24 = 57,676.58/x
  3. Step 3: Cross multiply
    120,849.76x = 181,278.24 × 57,676.58
  4. Step 4: Simplify right side
    120,849.76x = 10,455,508,911.62
  5. Step 5: Solve for x
    x = 10,455,508,911.62/120,849.76
  6. Step 6: Final answer
    x = 86,516.59

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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.