Home / 236,960.43-327,005.30-129,530.87

Finding the Fourth Proportional to 236,960.43, 327,005.30 and 129,530.87

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Solution

The fourth proportional to 236,960.43, 327,005.30 and 129,530.87 is: 178,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,960.43 : 327,005.30 = 129,530.87 : x
  2. Step 2: Convert to fraction form
    236,960.43/327,005.30 = 129,530.87/x
  3. Step 3: Cross multiply
    236,960.43x = 327,005.30 × 129,530.87
  4. Step 4: Simplify right side
    236,960.43x = 42,357,281,003.61
  5. Step 5: Solve for x
    x = 42,357,281,003.61/236,960.43
  6. Step 6: Final answer
    x = 178,752.55

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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.