Home / 157,876.36-236,610.41-118,121.56

Finding the Fourth Proportional to 157,876.36, 236,610.41 and 118,121.56

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Solution

The fourth proportional to 157,876.36, 236,610.41 and 118,121.56 is: 177,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,876.36 : 236,610.41 = 118,121.56 : x
  2. Step 2: Convert to fraction form
    157,876.36/236,610.41 = 118,121.56/x
  3. Step 3: Cross multiply
    157,876.36x = 236,610.41 × 118,121.56
  4. Step 4: Simplify right side
    157,876.36x = 27,948,790,741.44
  5. Step 5: Solve for x
    x = 27,948,790,741.44/157,876.36
  6. Step 6: Final answer
    x = 177,029.61

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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.