Home / 231,945.66-347,939.73-72,022.50

Finding the Fourth Proportional to 231,945.66, 347,939.73 and 72,022.50

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Solution

The fourth proportional to 231,945.66, 347,939.73 and 72,022.50 is: 108,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,945.66 : 347,939.73 = 72,022.50 : x
  2. Step 2: Convert to fraction form
    231,945.66/347,939.73 = 72,022.50/x
  3. Step 3: Cross multiply
    231,945.66x = 347,939.73 × 72,022.50
  4. Step 4: Simplify right side
    231,945.66x = 25,059,489,203.93
  5. Step 5: Solve for x
    x = 25,059,489,203.93/231,945.66
  6. Step 6: Final answer
    x = 108,040.35

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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.