Home / 111,816.69-167,725.07-76,649.73

Finding the Fourth Proportional to 111,816.69, 167,725.07 and 76,649.73

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Solution

The fourth proportional to 111,816.69, 167,725.07 and 76,649.73 is: 114,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,816.69 : 167,725.07 = 76,649.73 : x
  2. Step 2: Convert to fraction form
    111,816.69/167,725.07 = 76,649.73/x
  3. Step 3: Cross multiply
    111,816.69x = 167,725.07 × 76,649.73
  4. Step 4: Simplify right side
    111,816.69x = 12,856,080,946.48
  5. Step 5: Solve for x
    x = 12,856,080,946.48/111,816.69
  6. Step 6: Final answer
    x = 114,974.62

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1.5x scale

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.