Home / 120,740.40-181,175.40-50,626.80

Finding the Fourth Proportional to 120,740.40, 181,175.40 and 50,626.80

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Solution

The fourth proportional to 120,740.40, 181,175.40 and 50,626.80 is: 75,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,740.40 : 181,175.40 = 50,626.80 : x
  2. Step 2: Convert to fraction form
    120,740.40/181,175.40 = 50,626.80/x
  3. Step 3: Cross multiply
    120,740.40x = 181,175.40 × 50,626.80
  4. Step 4: Simplify right side
    120,740.40x = 9,172,330,740.72
  5. Step 5: Solve for x
    x = 9,172,330,740.72/120,740.40
  6. Step 6: Final answer
    x = 75,967.37

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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.