Home / 158,717.52-219,033.48-87,093.36

Finding the Fourth Proportional to 158,717.52, 219,033.48 and 87,093.36

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Solution

The fourth proportional to 158,717.52, 219,033.48 and 87,093.36 is: 120,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,717.52 : 219,033.48 = 87,093.36 : x
  2. Step 2: Convert to fraction form
    158,717.52/219,033.48 = 87,093.36/x
  3. Step 3: Cross multiply
    158,717.52x = 219,033.48 × 87,093.36
  4. Step 4: Simplify right side
    158,717.52x = 19,076,361,725.69
  5. Step 5: Solve for x
    x = 19,076,361,725.69/158,717.52
  6. Step 6: Final answer
    x = 120,190.65

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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.