Home / 236,971.80-327,021.17-129,541.82

Finding the Fourth Proportional to 236,971.80, 327,021.17 and 129,541.82

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Solution

The fourth proportional to 236,971.80, 327,021.17 and 129,541.82 is: 178,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,971.80 : 327,021.17 = 129,541.82 : x
  2. Step 2: Convert to fraction form
    236,971.80/327,021.17 = 129,541.82/x
  3. Step 3: Cross multiply
    236,971.80x = 327,021.17 × 129,541.82
  4. Step 4: Simplify right side
    236,971.80x = 42,362,915,257.51
  5. Step 5: Solve for x
    x = 42,362,915,257.51/236,971.80
  6. Step 6: Final answer
    x = 178,767.75

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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.