Home / 107,327.20-161,019.60-95,720.80

Finding the Fourth Proportional to 107,327.20, 161,019.60 and 95,720.80

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Solution

The fourth proportional to 107,327.20, 161,019.60 and 95,720.80 is: 143,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,327.20 : 161,019.60 = 95,720.80 : x
  2. Step 2: Convert to fraction form
    107,327.20/161,019.60 = 95,720.80/x
  3. Step 3: Cross multiply
    107,327.20x = 161,019.60 × 95,720.80
  4. Step 4: Simplify right side
    107,327.20x = 15,412,924,927.68
  5. Step 5: Solve for x
    x = 15,412,924,927.68/107,327.20
  6. Step 6: Final answer
    x = 143,606.89

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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.