Home / 159,853.29-220,517.92-111,556.50

Finding the Fourth Proportional to 159,853.29, 220,517.92 and 111,556.50

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Solution

The fourth proportional to 159,853.29, 220,517.92 and 111,556.50 is: 153,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,853.29 : 220,517.92 = 111,556.50 : x
  2. Step 2: Convert to fraction form
    159,853.29/220,517.92 = 111,556.50/x
  3. Step 3: Cross multiply
    159,853.29x = 220,517.92 × 111,556.50
  4. Step 4: Simplify right side
    159,853.29x = 24,600,205,682.11
  5. Step 5: Solve for x
    x = 24,600,205,682.11/159,853.29
  6. Step 6: Final answer
    x = 153,892.40

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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.