Home / 236,960.47-327,010.52-129,540.50

Finding the Fourth Proportional to 236,960.47, 327,010.52 and 129,540.50

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Solution

The fourth proportional to 236,960.47, 327,010.52 and 129,540.50 is: 178,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,960.47 : 327,010.52 = 129,540.50 : x
  2. Step 2: Convert to fraction form
    236,960.47/327,010.52 = 129,540.50/x
  3. Step 3: Cross multiply
    236,960.47x = 327,010.52 × 129,540.50
  4. Step 4: Simplify right side
    236,960.47x = 42,361,105,452.48
  5. Step 5: Solve for x
    x = 42,361,105,452.48/236,960.47
  6. Step 6: Final answer
    x = 178,768.66

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1.5x scale

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.