Home / 140,614.06-194,047.68-76,955.90

Finding the Fourth Proportional to 140,614.06, 194,047.68 and 76,955.90

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Solution

The fourth proportional to 140,614.06, 194,047.68 and 76,955.90 is: 106,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,614.06 : 194,047.68 = 76,955.90 : x
  2. Step 2: Convert to fraction form
    140,614.06/194,047.68 = 76,955.90/x
  3. Step 3: Cross multiply
    140,614.06x = 194,047.68 × 76,955.90
  4. Step 4: Simplify right side
    140,614.06x = 14,933,113,857.31
  5. Step 5: Solve for x
    x = 14,933,113,857.31/140,614.06
  6. Step 6: Final answer
    x = 106,199.29

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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.