Home / 177,834.60-266,687.10-71,173.80

Finding the Fourth Proportional to 177,834.60, 266,687.10 and 71,173.80

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Solution

The fourth proportional to 177,834.60, 266,687.10 and 71,173.80 is: 106,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,834.60 : 266,687.10 = 71,173.80 : x
  2. Step 2: Convert to fraction form
    177,834.60/266,687.10 = 71,173.80/x
  3. Step 3: Cross multiply
    177,834.60x = 266,687.10 × 71,173.80
  4. Step 4: Simplify right side
    177,834.60x = 18,981,134,317.98
  5. Step 5: Solve for x
    x = 18,981,134,317.98/177,834.60
  6. Step 6: Final answer
    x = 106,734.77

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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.