Home / 140,203.29-193,491.59-79,776.48

Finding the Fourth Proportional to 140,203.29, 193,491.59 and 79,776.48

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Solution

The fourth proportional to 140,203.29, 193,491.59 and 79,776.48 is: 110,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,203.29 : 193,491.59 = 79,776.48 : x
  2. Step 2: Convert to fraction form
    140,203.29/193,491.59 = 79,776.48/x
  3. Step 3: Cross multiply
    140,203.29x = 193,491.59 × 79,776.48
  4. Step 4: Simplify right side
    140,203.29x = 15,436,077,560.92
  5. Step 5: Solve for x
    x = 15,436,077,560.92/140,203.29
  6. Step 6: Final answer
    x = 110,097.83

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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.