Home / 159,814.91-220,542.63-88,193.36

Finding the Fourth Proportional to 159,814.91, 220,542.63 and 88,193.36

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Solution

The fourth proportional to 159,814.91, 220,542.63 and 88,193.36 is: 121,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,814.91 : 220,542.63 = 88,193.36 : x
  2. Step 2: Convert to fraction form
    159,814.91/220,542.63 = 88,193.36/x
  3. Step 3: Cross multiply
    159,814.91x = 220,542.63 × 88,193.36
  4. Step 4: Simplify right side
    159,814.91x = 19,450,395,562.94
  5. Step 5: Solve for x
    x = 19,450,395,562.94/159,814.91
  6. Step 6: Final answer
    x = 121,705.76

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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.