Home / 144,219.96-199,027.58-79,693.36

Finding the Fourth Proportional to 144,219.96, 199,027.58 and 79,693.36

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Solution

The fourth proportional to 144,219.96, 199,027.58 and 79,693.36 is: 109,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,219.96 : 199,027.58 = 79,693.36 : x
  2. Step 2: Convert to fraction form
    144,219.96/199,027.58 = 79,693.36/x
  3. Step 3: Cross multiply
    144,219.96x = 199,027.58 × 79,693.36
  4. Step 4: Simplify right side
    144,219.96x = 15,861,176,582.87
  5. Step 5: Solve for x
    x = 15,861,176,582.87/144,219.96
  6. Step 6: Final answer
    x = 109,979.07

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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.