Home / 165,165.91-227,929.19-89,714.41

Finding the Fourth Proportional to 165,165.91, 227,929.19 and 89,714.41

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Solution

The fourth proportional to 165,165.91, 227,929.19 and 89,714.41 is: 123,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,165.91 : 227,929.19 = 89,714.41 : x
  2. Step 2: Convert to fraction form
    165,165.91/227,929.19 = 89,714.41/x
  3. Step 3: Cross multiply
    165,165.91x = 227,929.19 × 89,714.41
  4. Step 4: Simplify right side
    165,165.91x = 20,448,531,784.23
  5. Step 5: Solve for x
    x = 20,448,531,784.23/165,165.91
  6. Step 6: Final answer
    x = 123,806.01

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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.