Home / 140,821.75-194,334.06-84,246.49

Finding the Fourth Proportional to 140,821.75, 194,334.06 and 84,246.49

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Solution

The fourth proportional to 140,821.75, 194,334.06 and 84,246.49 is: 116,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,821.75 : 194,334.06 = 84,246.49 : x
  2. Step 2: Convert to fraction form
    140,821.75/194,334.06 = 84,246.49/x
  3. Step 3: Cross multiply
    140,821.75x = 194,334.06 × 84,246.49
  4. Step 4: Simplify right side
    140,821.75x = 16,371,962,442.45
  5. Step 5: Solve for x
    x = 16,371,962,442.45/140,821.75
  6. Step 6: Final answer
    x = 116,260.18

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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.