Home / 281,640.03-422,486.01-92,101.38

Finding the Fourth Proportional to 281,640.03, 422,486.01 and 92,101.38

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Solution

The fourth proportional to 281,640.03, 422,486.01 and 92,101.38 is: 138,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,640.03 : 422,486.01 = 92,101.38 : x
  2. Step 2: Convert to fraction form
    281,640.03/422,486.01 = 92,101.38/x
  3. Step 3: Cross multiply
    281,640.03x = 422,486.01 × 92,101.38
  4. Step 4: Simplify right side
    281,640.03x = 38,911,544,551.69
  5. Step 5: Solve for x
    x = 38,911,544,551.69/281,640.03
  6. Step 6: Final answer
    x = 138,160.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.