Home / 118,243.36-163,174.44-64,529.29

Finding the Fourth Proportional to 118,243.36, 163,174.44 and 64,529.29

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Solution

The fourth proportional to 118,243.36, 163,174.44 and 64,529.29 is: 89,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,243.36 : 163,174.44 = 64,529.29 : x
  2. Step 2: Convert to fraction form
    118,243.36/163,174.44 = 64,529.29/x
  3. Step 3: Cross multiply
    118,243.36x = 163,174.44 × 64,529.29
  4. Step 4: Simplify right side
    118,243.36x = 10,529,530,759.35
  5. Step 5: Solve for x
    x = 10,529,530,759.35/118,243.36
  6. Step 6: Final answer
    x = 89,049.66

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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.