Home / 236,971.35-327,020.49-129,541.86

Finding the Fourth Proportional to 236,971.35, 327,020.49 and 129,541.86

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Solution

The fourth proportional to 236,971.35, 327,020.49 and 129,541.86 is: 178,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,971.35 : 327,020.49 = 129,541.86 : x
  2. Step 2: Convert to fraction form
    236,971.35/327,020.49 = 129,541.86/x
  3. Step 3: Cross multiply
    236,971.35x = 327,020.49 × 129,541.86
  4. Step 4: Simplify right side
    236,971.35x = 42,362,842,532.71
  5. Step 5: Solve for x
    x = 42,362,842,532.71/236,971.35
  6. Step 6: Final answer
    x = 178,767.78

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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.