Home / 165,210.63-227,991.27-89,759.13

Finding the Fourth Proportional to 165,210.63, 227,991.27 and 89,759.13

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Solution

The fourth proportional to 165,210.63, 227,991.27 and 89,759.13 is: 123,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,210.63 : 227,991.27 = 89,759.13 : x
  2. Step 2: Convert to fraction form
    165,210.63/227,991.27 = 89,759.13/x
  3. Step 3: Cross multiply
    165,210.63x = 227,991.27 × 89,759.13
  4. Step 4: Simplify right side
    165,210.63x = 20,464,298,042.80
  5. Step 5: Solve for x
    x = 20,464,298,042.80/165,210.63
  6. Step 6: Final answer
    x = 123,867.93

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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.