Home / 160,764.72-221,857.68-88,174.56

Finding the Fourth Proportional to 160,764.72, 221,857.68 and 88,174.56

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Solution

The fourth proportional to 160,764.72, 221,857.68 and 88,174.56 is: 121,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,764.72 : 221,857.68 = 88,174.56 : x
  2. Step 2: Convert to fraction form
    160,764.72/221,857.68 = 88,174.56/x
  3. Step 3: Cross multiply
    160,764.72x = 221,857.68 × 88,174.56
  4. Step 4: Simplify right side
    160,764.72x = 19,562,203,316.62
  5. Step 5: Solve for x
    x = 19,562,203,316.62/160,764.72
  6. Step 6: Final answer
    x = 121,682.19

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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.