Home / 177,922.20-266,559.30-84,221.40

Finding the Fourth Proportional to 177,922.20, 266,559.30 and 84,221.40

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Solution

The fourth proportional to 177,922.20, 266,559.30 and 84,221.40 is: 126,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,922.20 : 266,559.30 = 84,221.40 : x
  2. Step 2: Convert to fraction form
    177,922.20/266,559.30 = 84,221.40/x
  3. Step 3: Cross multiply
    177,922.20x = 266,559.30 × 84,221.40
  4. Step 4: Simplify right side
    177,922.20x = 22,449,997,429.02
  5. Step 5: Solve for x
    x = 22,449,997,429.02/177,922.20
  6. Step 6: Final answer
    x = 126,178.73

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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.