Home / 144,913.35-199,992.04-80,388.96

Finding the Fourth Proportional to 144,913.35, 199,992.04 and 80,388.96

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Solution

The fourth proportional to 144,913.35, 199,992.04 and 80,388.96 is: 110,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,913.35 : 199,992.04 = 80,388.96 : x
  2. Step 2: Convert to fraction form
    144,913.35/199,992.04 = 80,388.96/x
  3. Step 3: Cross multiply
    144,913.35x = 199,992.04 × 80,388.96
  4. Step 4: Simplify right side
    144,913.35x = 16,077,151,152.94
  5. Step 5: Solve for x
    x = 16,077,151,152.94/144,913.35
  6. Step 6: Final answer
    x = 110,943.20

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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.