Home / 120,808.20-181,213.80-36,568.92

Finding the Fourth Proportional to 120,808.20, 181,213.80 and 36,568.92

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Solution

The fourth proportional to 120,808.20, 181,213.80 and 36,568.92 is: 54,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,808.20 : 181,213.80 = 36,568.92 : x
  2. Step 2: Convert to fraction form
    120,808.20/181,213.80 = 36,568.92/x
  3. Step 3: Cross multiply
    120,808.20x = 181,213.80 × 36,568.92
  4. Step 4: Simplify right side
    120,808.20x = 6,626,792,955.10
  5. Step 5: Solve for x
    x = 6,626,792,955.10/120,808.20
  6. Step 6: Final answer
    x = 54,853.83

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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.