Home / 151,738.05-227,552.40-76,833.30

Finding the Fourth Proportional to 151,738.05, 227,552.40 and 76,833.30

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Solution

The fourth proportional to 151,738.05, 227,552.40 and 76,833.30 is: 115,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,738.05 : 227,552.40 = 76,833.30 : x
  2. Step 2: Convert to fraction form
    151,738.05/227,552.40 = 76,833.30/x
  3. Step 3: Cross multiply
    151,738.05x = 227,552.40 × 76,833.30
  4. Step 4: Simplify right side
    151,738.05x = 17,483,601,814.92
  5. Step 5: Solve for x
    x = 17,483,601,814.92/151,738.05
  6. Step 6: Final answer
    x = 115,222.27

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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.