Home / 144,926.38-199,998.23-80,405.39

Finding the Fourth Proportional to 144,926.38, 199,998.23 and 80,405.39

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Solution

The fourth proportional to 144,926.38, 199,998.23 and 80,405.39 is: 110,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,926.38 : 199,998.23 = 80,405.39 : x
  2. Step 2: Convert to fraction form
    144,926.38/199,998.23 = 80,405.39/x
  3. Step 3: Cross multiply
    144,926.38x = 199,998.23 × 80,405.39
  4. Step 4: Simplify right side
    144,926.38x = 16,080,935,780.43
  5. Step 5: Solve for x
    x = 16,080,935,780.43/144,926.38
  6. Step 6: Final answer
    x = 110,959.34

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1.5x scale

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.