Home / 169,513.44-254,311.20-51,177.72

Finding the Fourth Proportional to 169,513.44, 254,311.20 and 51,177.72

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Solution

The fourth proportional to 169,513.44, 254,311.20 and 51,177.72 is: 76,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,513.44 : 254,311.20 = 51,177.72 : x
  2. Step 2: Convert to fraction form
    169,513.44/254,311.20 = 51,177.72/x
  3. Step 3: Cross multiply
    169,513.44x = 254,311.20 × 51,177.72
  4. Step 4: Simplify right side
    169,513.44x = 13,015,067,386.46
  5. Step 5: Solve for x
    x = 13,015,067,386.46/169,513.44
  6. Step 6: Final answer
    x = 76,778.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.