Home / 140,518.22-210,734.79-73,921.62

Finding the Fourth Proportional to 140,518.22, 210,734.79 and 73,921.62

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Solution

The fourth proportional to 140,518.22, 210,734.79 and 73,921.62 is: 110,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,518.22 : 210,734.79 = 73,921.62 : x
  2. Step 2: Convert to fraction form
    140,518.22/210,734.79 = 73,921.62/x
  3. Step 3: Cross multiply
    140,518.22x = 210,734.79 × 73,921.62
  4. Step 4: Simplify right side
    140,518.22x = 15,577,857,067.16
  5. Step 5: Solve for x
    x = 15,577,857,067.16/140,518.22
  6. Step 6: Final answer
    x = 110,860.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.