Home / 158,716.52-219,032.10-87,092.36

Finding the Fourth Proportional to 158,716.52, 219,032.10 and 87,092.36

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Solution

The fourth proportional to 158,716.52, 219,032.10 and 87,092.36 is: 120,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,716.52 : 219,032.10 = 87,092.36 : x
  2. Step 2: Convert to fraction form
    158,716.52/219,032.10 = 87,092.36/x
  3. Step 3: Cross multiply
    158,716.52x = 219,032.10 × 87,092.36
  4. Step 4: Simplify right side
    158,716.52x = 19,076,022,504.76
  5. Step 5: Solve for x
    x = 19,076,022,504.76/158,716.52
  6. Step 6: Final answer
    x = 120,189.27

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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.