Home / 104,581.13-144,701.94-91,180.28

Finding the Fourth Proportional to 104,581.13, 144,701.94 and 91,180.28

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Solution

The fourth proportional to 104,581.13, 144,701.94 and 91,180.28 is: 126,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,581.13 : 144,701.94 = 91,180.28 : x
  2. Step 2: Convert to fraction form
    104,581.13/144,701.94 = 91,180.28/x
  3. Step 3: Cross multiply
    104,581.13x = 144,701.94 × 91,180.28
  4. Step 4: Simplify right side
    104,581.13x = 13,193,964,109.42
  5. Step 5: Solve for x
    x = 13,193,964,109.42/104,581.13
  6. Step 6: Final answer
    x = 126,160.09

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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.