Home / 101,181.12-151,644.07-51,273.78

Finding the Fourth Proportional to 101,181.12, 151,644.07 and 51,273.78

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Solution

The fourth proportional to 101,181.12, 151,644.07 and 51,273.78 is: 76,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,181.12 : 151,644.07 = 51,273.78 : x
  2. Step 2: Convert to fraction form
    101,181.12/151,644.07 = 51,273.78/x
  3. Step 3: Cross multiply
    101,181.12x = 151,644.07 × 51,273.78
  4. Step 4: Simplify right side
    101,181.12x = 7,775,364,683.48
  5. Step 5: Solve for x
    x = 7,775,364,683.48/101,181.12
  6. Step 6: Final answer
    x = 76,846.00

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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.