Home / 110,142.12-151,982.69-61,732.87

Finding the Fourth Proportional to 110,142.12, 151,982.69 and 61,732.87

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Solution

The fourth proportional to 110,142.12, 151,982.69 and 61,732.87 is: 85,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,142.12 : 151,982.69 = 61,732.87 : x
  2. Step 2: Convert to fraction form
    110,142.12/151,982.69 = 61,732.87/x
  3. Step 3: Cross multiply
    110,142.12x = 151,982.69 × 61,732.87
  4. Step 4: Simplify right side
    110,142.12x = 9,382,327,644.02
  5. Step 5: Solve for x
    x = 9,382,327,644.02/110,142.12
  6. Step 6: Final answer
    x = 85,183.83

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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.