Home / 166,917.20-250,035.60-103,542.80

Finding the Fourth Proportional to 166,917.20, 250,035.60 and 103,542.80

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Solution

The fourth proportional to 166,917.20, 250,035.60 and 103,542.80 is: 155,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,917.20 : 250,035.60 = 103,542.80 : x
  2. Step 2: Convert to fraction form
    166,917.20/250,035.60 = 103,542.80/x
  3. Step 3: Cross multiply
    166,917.20x = 250,035.60 × 103,542.80
  4. Step 4: Simplify right side
    166,917.20x = 25,889,386,123.68
  5. Step 5: Solve for x
    x = 25,889,386,123.68/166,917.20
  6. Step 6: Final answer
    x = 155,103.17

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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.