Home / 144,723.96-199,722.96-81,060.36

Finding the Fourth Proportional to 144,723.96, 199,722.96 and 81,060.36

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Solution

The fourth proportional to 144,723.96, 199,722.96 and 81,060.36 is: 111,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,723.96 : 199,722.96 = 81,060.36 : x
  2. Step 2: Convert to fraction form
    144,723.96/199,722.96 = 81,060.36/x
  3. Step 3: Cross multiply
    144,723.96x = 199,722.96 × 81,060.36
  4. Step 4: Simplify right side
    144,723.96x = 16,189,615,037.87
  5. Step 5: Solve for x
    x = 16,189,615,037.87/144,723.96
  6. Step 6: Final answer
    x = 111,865.48

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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.