Home / 119,605.98-179,239.82-66,321.43

Finding the Fourth Proportional to 119,605.98, 179,239.82 and 66,321.43

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Solution

The fourth proportional to 119,605.98, 179,239.82 and 66,321.43 is: 99,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,605.98 : 179,239.82 = 66,321.43 : x
  2. Step 2: Convert to fraction form
    119,605.98/179,239.82 = 66,321.43/x
  3. Step 3: Cross multiply
    119,605.98x = 179,239.82 × 66,321.43
  4. Step 4: Simplify right side
    119,605.98x = 11,887,441,175.34
  5. Step 5: Solve for x
    x = 11,887,441,175.34/119,605.98
  6. Step 6: Final answer
    x = 99,388.35

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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.