Home / 140,953.20-194,515.26-77,292.06

Finding the Fourth Proportional to 140,953.20, 194,515.26 and 77,292.06

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Solution

The fourth proportional to 140,953.20, 194,515.26 and 77,292.06 is: 106,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,953.20 : 194,515.26 = 77,292.06 : x
  2. Step 2: Convert to fraction form
    140,953.20/194,515.26 = 77,292.06/x
  3. Step 3: Cross multiply
    140,953.20x = 194,515.26 × 77,292.06
  4. Step 4: Simplify right side
    140,953.20x = 15,034,485,146.84
  5. Step 5: Solve for x
    x = 15,034,485,146.84/140,953.20
  6. Step 6: Final answer
    x = 106,662.96

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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.