Home / 140,769.94-211,031.14-73,159.62

Finding the Fourth Proportional to 140,769.94, 211,031.14 and 73,159.62

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Solution

The fourth proportional to 140,769.94, 211,031.14 and 73,159.62 is: 109,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,769.94 : 211,031.14 = 73,159.62 : x
  2. Step 2: Convert to fraction form
    140,769.94/211,031.14 = 73,159.62/x
  3. Step 3: Cross multiply
    140,769.94x = 211,031.14 × 73,159.62
  4. Step 4: Simplify right side
    140,769.94x = 15,438,958,010.57
  5. Step 5: Solve for x
    x = 15,438,958,010.57/140,769.94
  6. Step 6: Final answer
    x = 109,675.11

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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.