Home / 171,725.56-236,989.32-107,232.96

Finding the Fourth Proportional to 171,725.56, 236,989.32 and 107,232.96

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Solution

The fourth proportional to 171,725.56, 236,989.32 and 107,232.96 is: 147,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,725.56 : 236,989.32 = 107,232.96 : x
  2. Step 2: Convert to fraction form
    171,725.56/236,989.32 = 107,232.96/x
  3. Step 3: Cross multiply
    171,725.56x = 236,989.32 × 107,232.96
  4. Step 4: Simplify right side
    171,725.56x = 25,413,066,271.99
  5. Step 5: Solve for x
    x = 25,413,066,271.99/171,725.56
  6. Step 6: Final answer
    x = 147,986.51

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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.