Home / 146,086.34-219,051.14-74,979.68

Finding the Fourth Proportional to 146,086.34, 219,051.14 and 74,979.68

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Solution

The fourth proportional to 146,086.34, 219,051.14 and 74,979.68 is: 112,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,086.34 : 219,051.14 = 74,979.68 : x
  2. Step 2: Convert to fraction form
    146,086.34/219,051.14 = 74,979.68/x
  3. Step 3: Cross multiply
    146,086.34x = 219,051.14 × 74,979.68
  4. Step 4: Simplify right side
    146,086.34x = 16,424,382,910.68
  5. Step 5: Solve for x
    x = 16,424,382,910.68/146,086.34
  6. Step 6: Final answer
    x = 112,429.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.