Home / 165,166.14-227,929.49-89,714.64

Finding the Fourth Proportional to 165,166.14, 227,929.49 and 89,714.64

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Solution

The fourth proportional to 165,166.14, 227,929.49 and 89,714.64 is: 123,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,166.14 : 227,929.49 = 89,714.64 : x
  2. Step 2: Convert to fraction form
    165,166.14/227,929.49 = 89,714.64/x
  3. Step 3: Cross multiply
    165,166.14x = 227,929.49 × 89,714.64
  4. Step 4: Simplify right side
    165,166.14x = 20,448,612,140.73
  5. Step 5: Solve for x
    x = 20,448,612,140.73/165,166.14
  6. Step 6: Final answer
    x = 123,806.32

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1.5x scale

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.