Home / 151,786.15-227,657.81-83,419.02

Finding the Fourth Proportional to 151,786.15, 227,657.81 and 83,419.02

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Solution

The fourth proportional to 151,786.15, 227,657.81 and 83,419.02 is: 125,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,786.15 : 227,657.81 = 83,419.02 : x
  2. Step 2: Convert to fraction form
    151,786.15/227,657.81 = 83,419.02/x
  3. Step 3: Cross multiply
    151,786.15x = 227,657.81 × 83,419.02
  4. Step 4: Simplify right side
    151,786.15x = 18,990,991,614.09
  5. Step 5: Solve for x
    x = 18,990,991,614.09/151,786.15
  6. Step 6: Final answer
    x = 125,116.76

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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.