Home / 120,563.03-166,375.64-69,575.18

Finding the Fourth Proportional to 120,563.03, 166,375.64 and 69,575.18

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Solution

The fourth proportional to 120,563.03, 166,375.64 and 69,575.18 is: 96,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,563.03 : 166,375.64 = 69,575.18 : x
  2. Step 2: Convert to fraction form
    120,563.03/166,375.64 = 69,575.18/x
  3. Step 3: Cross multiply
    120,563.03x = 166,375.64 × 69,575.18
  4. Step 4: Simplify right side
    120,563.03x = 11,575,614,442.67
  5. Step 5: Solve for x
    x = 11,575,614,442.67/120,563.03
  6. Step 6: Final answer
    x = 96,012.97

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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.