Home / 159,470.24-220,069.44-87,850.04

Finding the Fourth Proportional to 159,470.24, 220,069.44 and 87,850.04

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Solution

The fourth proportional to 159,470.24, 220,069.44 and 87,850.04 is: 121,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,470.24 : 220,069.44 = 87,850.04 : x
  2. Step 2: Convert to fraction form
    159,470.24/220,069.44 = 87,850.04/x
  3. Step 3: Cross multiply
    159,470.24x = 220,069.44 × 87,850.04
  4. Step 4: Simplify right side
    159,470.24x = 19,333,108,006.43
  5. Step 5: Solve for x
    x = 19,333,108,006.43/159,470.24
  6. Step 6: Final answer
    x = 121,233.33

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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.