Home / 177,399.50-244,811.32-120,909.56

Finding the Fourth Proportional to 177,399.50, 244,811.32 and 120,909.56

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Solution

The fourth proportional to 177,399.50, 244,811.32 and 120,909.56 is: 166,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,399.50 : 244,811.32 = 120,909.56 : x
  2. Step 2: Convert to fraction form
    177,399.50/244,811.32 = 120,909.56/x
  3. Step 3: Cross multiply
    177,399.50x = 244,811.32 × 120,909.56
  4. Step 4: Simplify right side
    177,399.50x = 29,600,028,984.22
  5. Step 5: Solve for x
    x = 29,600,028,984.22/177,399.50
  6. Step 6: Final answer
    x = 166,855.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.