Home / 107,720.06-161,723.27-92,025.96

Finding the Fourth Proportional to 107,720.06, 161,723.27 and 92,025.96

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Solution

The fourth proportional to 107,720.06, 161,723.27 and 92,025.96 is: 138,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.06 : 161,723.27 = 92,025.96 : x
  2. Step 2: Convert to fraction form
    107,720.06/161,723.27 = 92,025.96/x
  3. Step 3: Cross multiply
    107,720.06x = 161,723.27 × 92,025.96
  4. Step 4: Simplify right side
    107,720.06x = 14,882,738,715.96
  5. Step 5: Solve for x
    x = 14,882,738,715.96/107,720.06
  6. Step 6: Final answer
    x = 138,161.26

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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.