Home / 165,905-228,954.66-94,288.04

Finding the Fourth Proportional to 165,905, 228,954.66 and 94,288.04

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Solution

The fourth proportional to 165,905, 228,954.66 and 94,288.04 is: 130,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,905 : 228,954.66 = 94,288.04 : x
  2. Step 2: Convert to fraction form
    165,905/228,954.66 = 94,288.04/x
  3. Step 3: Cross multiply
    165,905x = 228,954.66 × 94,288.04
  4. Step 4: Simplify right side
    165,905x = 21,587,686,140.27
  5. Step 5: Solve for x
    x = 21,587,686,140.27/165,905
  6. Step 6: Final answer
    x = 130,120.77

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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.