Home / 140,679.24-194,136.04-77,016.48

Finding the Fourth Proportional to 140,679.24, 194,136.04 and 77,016.48

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Solution

The fourth proportional to 140,679.24, 194,136.04 and 77,016.48 is: 106,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,679.24 : 194,136.04 = 77,016.48 : x
  2. Step 2: Convert to fraction form
    140,679.24/194,136.04 = 77,016.48/x
  3. Step 3: Cross multiply
    140,679.24x = 194,136.04 × 77,016.48
  4. Step 4: Simplify right side
    140,679.24x = 14,951,674,441.94
  5. Step 5: Solve for x
    x = 14,951,674,441.94/140,679.24
  6. Step 6: Final answer
    x = 106,282.02

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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.