Home / 151,664.56-227,496.80-81,447.28

Finding the Fourth Proportional to 151,664.56, 227,496.80 and 81,447.28

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Solution

The fourth proportional to 151,664.56, 227,496.80 and 81,447.28 is: 122,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,664.56 : 227,496.80 = 81,447.28 : x
  2. Step 2: Convert to fraction form
    151,664.56/227,496.80 = 81,447.28/x
  3. Step 3: Cross multiply
    151,664.56x = 227,496.80 × 81,447.28
  4. Step 4: Simplify right side
    151,664.56x = 18,528,995,568.70
  5. Step 5: Solve for x
    x = 18,528,995,568.70/151,664.56
  6. Step 6: Final answer
    x = 122,170.90

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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.