Home / 235,399.31-324,847.19-127,972.05

Finding the Fourth Proportional to 235,399.31, 324,847.19 and 127,972.05

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Solution

The fourth proportional to 235,399.31, 324,847.19 and 127,972.05 is: 176,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,399.31 : 324,847.19 = 127,972.05 : x
  2. Step 2: Convert to fraction form
    235,399.31/324,847.19 = 127,972.05/x
  3. Step 3: Cross multiply
    235,399.31x = 324,847.19 × 127,972.05
  4. Step 4: Simplify right side
    235,399.31x = 41,571,360,201.18
  5. Step 5: Solve for x
    x = 41,571,360,201.18/235,399.31
  6. Step 6: Final answer
    x = 176,599.33

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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.