Home / 165,118.40-227,899.68-108,535.04

Finding the Fourth Proportional to 165,118.40, 227,899.68 and 108,535.04

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Solution

The fourth proportional to 165,118.40, 227,899.68 and 108,535.04 is: 149,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,118.40 : 227,899.68 = 108,535.04 : x
  2. Step 2: Convert to fraction form
    165,118.40/227,899.68 = 108,535.04/x
  3. Step 3: Cross multiply
    165,118.40x = 227,899.68 × 108,535.04
  4. Step 4: Simplify right side
    165,118.40x = 24,735,100,884.79
  5. Step 5: Solve for x
    x = 24,735,100,884.79/165,118.40
  6. Step 6: Final answer
    x = 149,802.21

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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.