Home / 144,581.04-199,534.32-80,917.92

Finding the Fourth Proportional to 144,581.04, 199,534.32 and 80,917.92

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Solution

The fourth proportional to 144,581.04, 199,534.32 and 80,917.92 is: 111,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581.04 : 199,534.32 = 80,917.92 : x
  2. Step 2: Convert to fraction form
    144,581.04/199,534.32 = 80,917.92/x
  3. Step 3: Cross multiply
    144,581.04x = 199,534.32 × 80,917.92
  4. Step 4: Simplify right side
    144,581.04x = 16,145,902,143.01
  5. Step 5: Solve for x
    x = 16,145,902,143.01/144,581.04
  6. Step 6: Final answer
    x = 111,673.72

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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.