Home / 171,976.89-237,334.93-99,377.37

Finding the Fourth Proportional to 171,976.89, 237,334.93 and 99,377.37

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Solution

The fourth proportional to 171,976.89, 237,334.93 and 99,377.37 is: 137,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,976.89 : 237,334.93 = 99,377.37 : x
  2. Step 2: Convert to fraction form
    171,976.89/237,334.93 = 99,377.37/x
  3. Step 3: Cross multiply
    171,976.89x = 237,334.93 × 99,377.37
  4. Step 4: Simplify right side
    171,976.89x = 23,585,720,904.09
  5. Step 5: Solve for x
    x = 23,585,720,904.09/171,976.89
  6. Step 6: Final answer
    x = 137,144.71

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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.