Home / 151,820.09-227,869.50-76,993.92

Finding the Fourth Proportional to 151,820.09, 227,869.50 and 76,993.92

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Solution

The fourth proportional to 151,820.09, 227,869.50 and 76,993.92 is: 115,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,820.09 : 227,869.50 = 76,993.92 : x
  2. Step 2: Convert to fraction form
    151,820.09/227,869.50 = 76,993.92/x
  3. Step 3: Cross multiply
    151,820.09x = 227,869.50 × 76,993.92
  4. Step 4: Simplify right side
    151,820.09x = 17,544,566,053.44
  5. Step 5: Solve for x
    x = 17,544,566,053.44/151,820.09
  6. Step 6: Final answer
    x = 115,561.56

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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.