Home / 144,676.22-199,651.02-80,145.25

Finding the Fourth Proportional to 144,676.22, 199,651.02 and 80,145.25

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Solution

The fourth proportional to 144,676.22, 199,651.02 and 80,145.25 is: 110,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,676.22 : 199,651.02 = 80,145.25 : x
  2. Step 2: Convert to fraction form
    144,676.22/199,651.02 = 80,145.25/x
  3. Step 3: Cross multiply
    144,676.22x = 199,651.02 × 80,145.25
  4. Step 4: Simplify right side
    144,676.22x = 16,001,081,768.86
  5. Step 5: Solve for x
    x = 16,001,081,768.86/144,676.22
  6. Step 6: Final answer
    x = 110,599.25

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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.