Home / 144,308.96-199,124.06-80,634.46

Finding the Fourth Proportional to 144,308.96, 199,124.06 and 80,634.46

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Solution

The fourth proportional to 144,308.96, 199,124.06 and 80,634.46 is: 111,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,308.96 : 199,124.06 = 80,634.46 : x
  2. Step 2: Convert to fraction form
    144,308.96/199,124.06 = 80,634.46/x
  3. Step 3: Cross multiply
    144,308.96x = 199,124.06 × 80,634.46
  4. Step 4: Simplify right side
    144,308.96x = 16,056,260,754.88
  5. Step 5: Solve for x
    x = 16,056,260,754.88/144,308.96
  6. Step 6: Final answer
    x = 111,263.09

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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.