Home / 140,583.69-193,943.85-82,410.96

Finding the Fourth Proportional to 140,583.69, 193,943.85 and 82,410.96

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Solution

The fourth proportional to 140,583.69, 193,943.85 and 82,410.96 is: 113,690.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,583.69 : 193,943.85 = 82,410.96 : x
  2. Step 2: Convert to fraction form
    140,583.69/193,943.85 = 82,410.96/x
  3. Step 3: Cross multiply
    140,583.69x = 193,943.85 × 82,410.96
  4. Step 4: Simplify right side
    140,583.69x = 15,983,098,864.60
  5. Step 5: Solve for x
    x = 15,983,098,864.60/140,583.69
  6. Step 6: Final answer
    x = 113,690.99

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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.