Home / 111,256.47-166,921.97-36,380.07

Finding the Fourth Proportional to 111,256.47, 166,921.97 and 36,380.07

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Solution

The fourth proportional to 111,256.47, 166,921.97 and 36,380.07 is: 54,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,256.47 : 166,921.97 = 36,380.07 : x
  2. Step 2: Convert to fraction form
    111,256.47/166,921.97 = 36,380.07/x
  3. Step 3: Cross multiply
    111,256.47x = 166,921.97 × 36,380.07
  4. Step 4: Simplify right side
    111,256.47x = 6,072,632,771.24
  5. Step 5: Solve for x
    x = 6,072,632,771.24/111,256.47
  6. Step 6: Final answer
    x = 54,582.29

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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.