Home / 119,927.30-165,496.38-66,211.34

Finding the Fourth Proportional to 119,927.30, 165,496.38 and 66,211.34

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Solution

The fourth proportional to 119,927.30, 165,496.38 and 66,211.34 is: 91,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,927.30 : 165,496.38 = 66,211.34 : x
  2. Step 2: Convert to fraction form
    119,927.30/165,496.38 = 66,211.34/x
  3. Step 3: Cross multiply
    119,927.30x = 165,496.38 × 66,211.34
  4. Step 4: Simplify right side
    119,927.30x = 10,957,737,084.95
  5. Step 5: Solve for x
    x = 10,957,737,084.95/119,927.30
  6. Step 6: Final answer
    x = 91,369.83

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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.