Home / 239,769.18-330,857.89-132,332.28

Finding the Fourth Proportional to 239,769.18, 330,857.89 and 132,332.28

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Solution

The fourth proportional to 239,769.18, 330,857.89 and 132,332.28 is: 182,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,769.18 : 330,857.89 = 132,332.28 : x
  2. Step 2: Convert to fraction form
    239,769.18/330,857.89 = 132,332.28/x
  3. Step 3: Cross multiply
    239,769.18x = 330,857.89 × 132,332.28
  4. Step 4: Simplify right side
    239,769.18x = 43,783,179,436.00
  5. Step 5: Solve for x
    x = 43,783,179,436.00/239,769.18
  6. Step 6: Final answer
    x = 182,605.54

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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.