Home / 122,765.72-169,583.46-96,243.08

Finding the Fourth Proportional to 122,765.72, 169,583.46 and 96,243.08

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Solution

The fourth proportional to 122,765.72, 169,583.46 and 96,243.08 is: 132,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,765.72 : 169,583.46 = 96,243.08 : x
  2. Step 2: Convert to fraction form
    122,765.72/169,583.46 = 96,243.08/x
  3. Step 3: Cross multiply
    122,765.72x = 169,583.46 × 96,243.08
  4. Step 4: Simplify right side
    122,765.72x = 16,321,234,507.46
  5. Step 5: Solve for x
    x = 16,321,234,507.46/122,765.72
  6. Step 6: Final answer
    x = 132,946.19

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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.