Home / 159,194.43-219,633.12-98,743.32

Finding the Fourth Proportional to 159,194.43, 219,633.12 and 98,743.32

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Solution

The fourth proportional to 159,194.43, 219,633.12 and 98,743.32 is: 136,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,194.43 : 219,633.12 = 98,743.32 : x
  2. Step 2: Convert to fraction form
    159,194.43/219,633.12 = 98,743.32/x
  3. Step 3: Cross multiply
    159,194.43x = 219,633.12 × 98,743.32
  4. Step 4: Simplify right side
    159,194.43x = 21,687,303,450.76
  5. Step 5: Solve for x
    x = 21,687,303,450.76/159,194.43
  6. Step 6: Final answer
    x = 136,231.55

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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.