Home / 120,453.67-166,225.99-69,465.66

Finding the Fourth Proportional to 120,453.67, 166,225.99 and 69,465.66

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Solution

The fourth proportional to 120,453.67, 166,225.99 and 69,465.66 is: 95,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,453.67 : 166,225.99 = 69,465.66 : x
  2. Step 2: Convert to fraction form
    120,453.67/166,225.99 = 69,465.66/x
  3. Step 3: Cross multiply
    120,453.67x = 166,225.99 × 69,465.66
  4. Step 4: Simplify right side
    120,453.67x = 11,546,998,104.50
  5. Step 5: Solve for x
    x = 11,546,998,104.50/120,453.67
  6. Step 6: Final answer
    x = 95,862.57

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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.