Home / 140,951.19-194,512.50-77,290.05

Finding the Fourth Proportional to 140,951.19, 194,512.50 and 77,290.05

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Solution

The fourth proportional to 140,951.19, 194,512.50 and 77,290.05 is: 106,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,951.19 : 194,512.50 = 77,290.05 : x
  2. Step 2: Convert to fraction form
    140,951.19/194,512.50 = 77,290.05/x
  3. Step 3: Cross multiply
    140,951.19x = 194,512.50 × 77,290.05
  4. Step 4: Simplify right side
    140,951.19x = 15,033,880,850.63
  5. Step 5: Solve for x
    x = 15,033,880,850.63/140,951.19
  6. Step 6: Final answer
    x = 106,660.19

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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.