Home / 120,495.29-166,283.49-66,788.37

Finding the Fourth Proportional to 120,495.29, 166,283.49 and 66,788.37

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Solution

The fourth proportional to 120,495.29, 166,283.49 and 66,788.37 is: 92,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,495.29 : 166,283.49 = 66,788.37 : x
  2. Step 2: Convert to fraction form
    120,495.29/166,283.49 = 66,788.37/x
  3. Step 3: Cross multiply
    120,495.29x = 166,283.49 × 66,788.37
  4. Step 4: Simplify right side
    120,495.29x = 11,105,803,255.01
  5. Step 5: Solve for x
    x = 11,105,803,255.01/120,495.29
  6. Step 6: Final answer
    x = 92,167.95

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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.