Home / 120,868.87-166,799.24-67,153.95

Finding the Fourth Proportional to 120,868.87, 166,799.24 and 67,153.95

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Solution

The fourth proportional to 120,868.87, 166,799.24 and 67,153.95 is: 92,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,868.87 : 166,799.24 = 67,153.95 : x
  2. Step 2: Convert to fraction form
    120,868.87/166,799.24 = 67,153.95/x
  3. Step 3: Cross multiply
    120,868.87x = 166,799.24 × 67,153.95
  4. Step 4: Simplify right side
    120,868.87x = 11,201,227,823.00
  5. Step 5: Solve for x
    x = 11,201,227,823.00/120,868.87
  6. Step 6: Final answer
    x = 92,672.56

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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.