Home / 120,825.95-166,735.13-67,114.37

Finding the Fourth Proportional to 120,825.95, 166,735.13 and 67,114.37

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Solution

The fourth proportional to 120,825.95, 166,735.13 and 67,114.37 is: 92,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,825.95 : 166,735.13 = 67,114.37 : x
  2. Step 2: Convert to fraction form
    120,825.95/166,735.13 = 67,114.37/x
  3. Step 3: Cross multiply
    120,825.95x = 166,735.13 × 67,114.37
  4. Step 4: Simplify right side
    120,825.95x = 11,190,322,037.57
  5. Step 5: Solve for x
    x = 11,190,322,037.57/120,825.95
  6. Step 6: Final answer
    x = 92,615.22

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1.5x scale

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.