Home / 120,769.64-181,085.34-50,589.80

Finding the Fourth Proportional to 120,769.64, 181,085.34 and 50,589.80

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Solution

The fourth proportional to 120,769.64, 181,085.34 and 50,589.80 is: 75,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,769.64 : 181,085.34 = 50,589.80 : x
  2. Step 2: Convert to fraction form
    120,769.64/181,085.34 = 50,589.80/x
  3. Step 3: Cross multiply
    120,769.64x = 181,085.34 × 50,589.80
  4. Step 4: Simplify right side
    120,769.64x = 9,161,071,133.53
  5. Step 5: Solve for x
    x = 9,161,071,133.53/120,769.64
  6. Step 6: Final answer
    x = 75,855.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.