Home / 120,727.56-166,596.18-67,012.59

Finding the Fourth Proportional to 120,727.56, 166,596.18 and 67,012.59

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Solution

The fourth proportional to 120,727.56, 166,596.18 and 67,012.59 is: 92,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,727.56 : 166,596.18 = 67,012.59 : x
  2. Step 2: Convert to fraction form
    120,727.56/166,596.18 = 67,012.59/x
  3. Step 3: Cross multiply
    120,727.56x = 166,596.18 × 67,012.59
  4. Step 4: Simplify right side
    120,727.56x = 11,164,041,505.91
  5. Step 5: Solve for x
    x = 11,164,041,505.91/120,727.56
  6. Step 6: Final answer
    x = 92,473.02

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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.