Home / 118,942.92-164,129.73-71,195.24

Finding the Fourth Proportional to 118,942.92, 164,129.73 and 71,195.24

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Solution

The fourth proportional to 118,942.92, 164,129.73 and 71,195.24 is: 98,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942.92 : 164,129.73 = 71,195.24 : x
  2. Step 2: Convert to fraction form
    118,942.92/164,129.73 = 71,195.24/x
  3. Step 3: Cross multiply
    118,942.92x = 164,129.73 × 71,195.24
  4. Step 4: Simplify right side
    118,942.92x = 11,685,254,697.84
  5. Step 5: Solve for x
    x = 11,685,254,697.84/118,942.92
  6. Step 6: Final answer
    x = 98,242.54

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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.