Home / 140,829.96-211,279.56-40,991.04

Finding the Fourth Proportional to 140,829.96, 211,279.56 and 40,991.04

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Solution

The fourth proportional to 140,829.96, 211,279.56 and 40,991.04 is: 61,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,829.96 : 211,279.56 = 40,991.04 : x
  2. Step 2: Convert to fraction form
    140,829.96/211,279.56 = 40,991.04/x
  3. Step 3: Cross multiply
    140,829.96x = 211,279.56 × 40,991.04
  4. Step 4: Simplify right side
    140,829.96x = 8,660,568,895.14
  5. Step 5: Solve for x
    x = 8,660,568,895.14/140,829.96
  6. Step 6: Final answer
    x = 61,496.64

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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.