Home / 160,372.44-221,310.45-87,774.96

Finding the Fourth Proportional to 160,372.44, 221,310.45 and 87,774.96

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Solution

The fourth proportional to 160,372.44, 221,310.45 and 87,774.96 is: 121,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,372.44 : 221,310.45 = 87,774.96 : x
  2. Step 2: Convert to fraction form
    160,372.44/221,310.45 = 87,774.96/x
  3. Step 3: Cross multiply
    160,372.44x = 221,310.45 × 87,774.96
  4. Step 4: Simplify right side
    160,372.44x = 19,425,515,896.33
  5. Step 5: Solve for x
    x = 19,425,515,896.33/160,372.44
  6. Step 6: Final answer
    x = 121,127.52

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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.