Home / 120,361.68-166,085.67-66,633.24

Finding the Fourth Proportional to 120,361.68, 166,085.67 and 66,633.24

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Solution

The fourth proportional to 120,361.68, 166,085.67 and 66,633.24 is: 91,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,361.68 : 166,085.67 = 66,633.24 : x
  2. Step 2: Convert to fraction form
    120,361.68/166,085.67 = 66,633.24/x
  3. Step 3: Cross multiply
    120,361.68x = 166,085.67 × 66,633.24
  4. Step 4: Simplify right side
    120,361.68x = 11,066,826,309.67
  5. Step 5: Solve for x
    x = 11,066,826,309.67/120,361.68
  6. Step 6: Final answer
    x = 91,946.43

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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.