Home / 159,228.37-219,730.62-87,608.44

Finding the Fourth Proportional to 159,228.37, 219,730.62 and 87,608.44

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Solution

The fourth proportional to 159,228.37, 219,730.62 and 87,608.44 is: 120,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,228.37 : 219,730.62 = 87,608.44 : x
  2. Step 2: Convert to fraction form
    159,228.37/219,730.62 = 87,608.44/x
  3. Step 3: Cross multiply
    159,228.37x = 219,730.62 × 87,608.44
  4. Step 4: Simplify right side
    159,228.37x = 19,250,256,838.43
  5. Step 5: Solve for x
    x = 19,250,256,838.43/159,228.37
  6. Step 6: Final answer
    x = 120,897.15

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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.