Home / 134,183.28-185,174.37-72,929.49

Finding the Fourth Proportional to 134,183.28, 185,174.37 and 72,929.49

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Solution

The fourth proportional to 134,183.28, 185,174.37 and 72,929.49 is: 100,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,183.28 : 185,174.37 = 72,929.49 : x
  2. Step 2: Convert to fraction form
    134,183.28/185,174.37 = 72,929.49/x
  3. Step 3: Cross multiply
    134,183.28x = 185,174.37 × 72,929.49
  4. Step 4: Simplify right side
    134,183.28x = 13,504,672,365.17
  5. Step 5: Solve for x
    x = 13,504,672,365.17/134,183.28
  6. Step 6: Final answer
    x = 100,643.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.