Home / 371,943.54-557,575.11-161,505.54

Finding the Fourth Proportional to 371,943.54, 557,575.11 and 161,505.54

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Solution

The fourth proportional to 371,943.54, 557,575.11 and 161,505.54 is: 242,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,943.54 : 557,575.11 = 161,505.54 : x
  2. Step 2: Convert to fraction form
    371,943.54/557,575.11 = 161,505.54/x
  3. Step 3: Cross multiply
    371,943.54x = 557,575.11 × 161,505.54
  4. Step 4: Simplify right side
    371,943.54x = 90,051,469,231.11
  5. Step 5: Solve for x
    x = 90,051,469,231.11/371,943.54
  6. Step 6: Final answer
    x = 242,110.59

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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.