Home / 161,366.31-222,668.46-89,734.77

Finding the Fourth Proportional to 161,366.31, 222,668.46 and 89,734.77

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Solution

The fourth proportional to 161,366.31, 222,668.46 and 89,734.77 is: 123,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,366.31 : 222,668.46 = 89,734.77 : x
  2. Step 2: Convert to fraction form
    161,366.31/222,668.46 = 89,734.77/x
  3. Step 3: Cross multiply
    161,366.31x = 222,668.46 × 89,734.77
  4. Step 4: Simplify right side
    161,366.31x = 19,981,103,044.35
  5. Step 5: Solve for x
    x = 19,981,103,044.35/161,366.31
  6. Step 6: Final answer
    x = 123,824.50

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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.