Home / 120,835.68-166,748.58-67,124.13

Finding the Fourth Proportional to 120,835.68, 166,748.58 and 67,124.13

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Solution

The fourth proportional to 120,835.68, 166,748.58 and 67,124.13 is: 92,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,835.68 : 166,748.58 = 67,124.13 : x
  2. Step 2: Convert to fraction form
    120,835.68/166,748.58 = 67,124.13/x
  3. Step 3: Cross multiply
    120,835.68x = 166,748.58 × 67,124.13
  4. Step 4: Simplify right side
    120,835.68x = 11,192,853,361.24
  5. Step 5: Solve for x
    x = 11,192,853,361.24/120,835.68
  6. Step 6: Final answer
    x = 92,628.71

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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.