Home / 159,917.58-220,680.48-88,296.06

Finding the Fourth Proportional to 159,917.58, 220,680.48 and 88,296.06

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Solution

The fourth proportional to 159,917.58, 220,680.48 and 88,296.06 is: 121,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,917.58 : 220,680.48 = 88,296.06 : x
  2. Step 2: Convert to fraction form
    159,917.58/220,680.48 = 88,296.06/x
  3. Step 3: Cross multiply
    159,917.58x = 220,680.48 × 88,296.06
  4. Step 4: Simplify right side
    159,917.58x = 19,485,216,695.91
  5. Step 5: Solve for x
    x = 19,485,216,695.91/159,917.58
  6. Step 6: Final answer
    x = 121,845.37

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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.